# Bug in Julia or in a package

**URL:** <https://discourse.julialang.org/t/bug-in-julia-or-in-a-package/110043>\
**Category:** General Usage\
**Tags:** question, modelingtoolkit\
**Created:** [February 10, 2024, 8:23pm UTC](https://discourse.julialang.org/t/bug-in-julia-or-in-a-package/110043 "2024-02-10T20:23:57Z")\
**Posts on this page:** 5\
**Page:** 1

<div class="post-metadata">

**Author:** ![ufechner7](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/ufechner7/32/51363_2.png) [@ufechner7](https://discourse.julialang.org/u/ufechner7)\
**Post date:** [February 10, 2024, 8:23pm UTC](https://discourse.julialang.org/t/bug-in-julia-or-in-a-package/110043/1 "2024-02-10T20:23:57Z")

</div>

The following bug was closed with the comment it would be a Julia bug:

> <https://github.com/SciML/ModelingToolkit.jl/issues/2429>
>
> \*\*Describe the bug 🐞\*\*
> Errors during precompilation.
> 
> \*\*Expected behavior\*\*
> …
> No error when installing ModelingToolkit in an empty project.
> 
> \*\*Minimal Reproducible Example 👇\*\*
> 
> Create an empty project, and then add ModelingToolkit:
> \`\`\`julia
> \]
> add ModelingToolkit
> \`\`\`
> 
> \*\*Error & Stacktrace ⚠️\*\*
> 
> \`\`\`julia
> test) pkg\> add ModelingToolkit
> Resolving package versions...
> Installed SimpleNonlinearSolve ─ v1.3.1
> Installed Compat ─────────────── v4.12.0
> Installed DiffEqBase ─────────── v6.146.0
> Installed RecursiveArrayTools ── v3.5.4
> Installed MacroTools ─────────── v0.5.13
> Installed Symbolics ──────────── v5.16.1
> Installed StaticArrays ───────── v1.9.1
> Installed ChainRulesCore ─────── v1.19.1
> Installed SciMLBase ──────────── v2.20.0
> Installed QuadGK ─────────────── v2.9.4
> Installed SparseDiffTools ────── v2.16.0
> Installed OrdinaryDiffEq ─────── v6.69.0
> Updating \`~/repos/test/Project.toml\`
> \[961ee093\] + ModelingToolkit v8.75.0
> Updating \`~/repos/test/Manifest.toml\`
> \[47edcb42\] + ADTypes v0.2.6
> \[1520ce14\] + AbstractTrees v0.4.4
> ⌅ \[79e6a3ab\] + Adapt v3.7.2
> \[ec485272\] + ArnoldiMethod v0.2.0
> \[4fba245c\] + ArrayInterface v7.7.0
> \[4c555306\] + ArrayLayouts v1.5.2
> \[e2ed5e7c\] + Bijections v0.1.6
> \[62783981\] + BitTwiddlingConvenienceFunctions v0.1.5
> \[2a0fbf3d\] + CPUSummary v0.2.4
> \[00ebfdb7\] + CSTParser v3.4.0
> \[49dc2e85\] + Calculus v0.5.1
> \[d360d2e6\] + ChainRulesCore v1.19.1
> \[fb6a15b2\] + CloseOpenIntervals v0.1.12
> \[861a8166\] + Combinatorics v1.0.2
> \[a80b9123\] + CommonMark v0.8.12
> \[38540f10\] + CommonSolve v0.2.4
> \[bbf7d656\] + CommonSubexpressions v0.3.0
> \[34da2185\] + Compat v4.12.0
> \[b152e2b5\] + CompositeTypes v0.1.3
> \[2569d6c7\] + ConcreteStructs v0.2.3
> \[187b0558\] + ConstructionBase v1.5.4
> \[adafc99b\] + CpuId v0.3.1
> \[a8cc5b0e\] + Crayons v4.1.1
> \[9a962f9c\] + DataAPI v1.15.0
> \[864edb3b\] + DataStructures v0.18.16
> \[e2d170a0\] + DataValueInterfaces v1.0.0
> \[2b5f629d\] + DiffEqBase v6.146.0
> \[459566f4\] + DiffEqCallbacks v2.36.1
> \[163ba53b\] + DiffResults v1.1.0
> \[b552c78f\] + DiffRules v1.15.1
> \[b4f34e82\] + Distances v0.10.11
> \[31c24e10\] + Distributions v0.25.107
> \[ffbed154\] + DocStringExtensions v0.9.3
> ⌅ \[5b8099bc\] + DomainSets v0.6.7
> \[fa6b7ba4\] + DualNumbers v0.6.8
> \[7c1d4256\] + DynamicPolynomials v0.5.3
> \[4e289a0a\] + EnumX v1.0.4
> \[f151be2c\] + EnzymeCore v0.6.5
> \[d4d017d3\] + ExponentialUtilities v1.25.0
> \[e2ba6199\] + ExprTools v0.1.10
> \[7034ab61\] + FastBroadcast v0.2.8
> \[9aa1b823\] + FastClosures v0.3.2
> \[29a986be\] + FastLapackInterface v2.0.0
> \[1a297f60\] + FillArrays v1.9.3
> \[6a86dc24\] + FiniteDiff v2.22.0
> \[59287772\] + Formatting v0.4.2
> \[f6369f11\] + ForwardDiff v0.10.36
> \[069b7b12\] + FunctionWrappers v1.1.3
> \[77dc65aa\] + FunctionWrappersWrappers v0.1.3
> \[d9f16b24\] + Functors v0.4.5
> ⌃ \[46192b85\] + GPUArraysCore v0.1.5
> \[c145ed77\] + GenericSchur v0.5.3
> \[c27321d9\] + Glob v1.3.1
> \[86223c79\] + Graphs v1.9.0
> \[3e5b6fbb\] + HostCPUFeatures v0.1.16
> \[34004b35\] + HypergeometricFunctions v0.3.23
> \[615f187c\] + IfElse v0.1.1
> \[d25df0c9\] + Inflate v0.1.4
> \[8197267c\] + IntervalSets v0.7.8
> \[92d709cd\] + IrrationalConstants v0.2.2
> \[82899510\] + IteratorInterfaceExtensions v1.0.0
> \[692b3bcd\] + JLLWrappers v1.5.0
> \[682c06a0\] + JSON v0.21.4
> \[98e50ef6\] + JuliaFormatter v1.0.45
> \[ccbc3e58\] + JumpProcesses v9.10.1
> \[ef3ab10e\] + KLU v0.4.1
> \[ba0b0d4f\] + Krylov v0.9.5
> \[b964fa9f\] + LaTeXStrings v1.3.1
> \[2ee39098\] + LabelledArrays v1.15.0
> \[984bce1d\] + LambertW v0.4.6
> \[23fbe1c1\] + Latexify v0.16.1
> \[10f19ff3\] + LayoutPointers v0.1.15
> \[50d2b5c4\] + Lazy v0.15.1
> \[5078a376\] + LazyArrays v1.8.3
> \[d3d80556\] + LineSearches v7.2.0
> \[7ed4a6bd\] + LinearSolve v2.22.1
> \[2ab3a3ac\] + LogExpFunctions v0.3.26
> \[bdcacae8\] + LoopVectorization v0.12.166
> \[d8e11817\] + MLStyle v0.4.17
> \[1914dd2f\] + MacroTools v0.5.13
> \[d125e4d3\] + ManualMemory v0.1.8
> \[a3b82374\] + MatrixFactorizations v2.1.0
> \[bb5d69b7\] + MaybeInplace v0.1.1
> \[e1d29d7a\] + Missings v1.1.0
> \[961ee093\] + ModelingToolkit v8.75.0
> \[46d2c3a1\] + MuladdMacro v0.2.4
> \[102ac46a\] + MultivariatePolynomials v0.5.4
> \[d8a4904e\] + MutableArithmetics v1.4.0
> \[d41bc354\] + NLSolversBase v7.8.3
> \[2774e3e8\] + NLsolve v4.5.1
> \[77ba4419\] + NaNMath v1.0.2
> \[8913a72c\] + NonlinearSolve v3.4.0
> \[6fe1bfb0\] + OffsetArrays v1.13.0
> \[bac558e1\] + OrderedCollections v1.6.3
> \[1dea7af3\] + OrdinaryDiffEq v6.69.0
> \[90014a1f\] + PDMats v0.11.31
> \[65ce6f38\] + PackageExtensionCompat v1.0.2
> \[d96e819e\] + Parameters v0.12.3
> \[69de0a69\] + Parsers v2.8.1
> \[e409e4f3\] + PoissonRandom v0.4.4
> \[f517fe37\] + Polyester v0.7.9
> \[1d0040c9\] + PolyesterWeave v0.2.1
> \[d236fae5\] + PreallocationTools v0.4.17
> \[aea7be01\] + PrecompileTools v1.2.0
> \[21216c6a\] + Preferences v1.4.1
> \[1fd47b50\] + QuadGK v2.9.4
> \[e6cf234a\] + RandomNumbers v1.5.3
> \[3cdcf5f2\] + RecipesBase v1.3.4
> \[731186ca\] + RecursiveArrayTools v3.5.4
> \[f2c3362d\] + RecursiveFactorization v0.2.21
> \[189a3867\] + Reexport v1.2.2
> \[ae029012\] + Requires v1.3.0
> \[79098fc4\] + Rmath v0.7.1
> \[7e49a35a\] + RuntimeGeneratedFunctions v0.5.12
> \[94e857df\] + SIMDTypes v0.1.0
> \[476501e8\] + SLEEFPirates v0.6.42
> \[0bca4576\] + SciMLBase v2.20.0
> \[c0aeaf25\] + SciMLOperators v0.3.7
> \[efcf1570\] + Setfield v1.1.1
> \[727e6d20\] + SimpleNonlinearSolve v1.3.1
> \[699a6c99\] + SimpleTraits v0.9.4
> \[ce78b400\] + SimpleUnPack v1.1.0
> \[a2af1166\] + SortingAlgorithms v1.2.1
> \[47a9eef4\] + SparseDiffTools v2.16.0
> \[e56a9233\] + Sparspak v0.3.9
> \[276daf66\] + SpecialFunctions v2.3.1
> \[aedffcd0\] + Static v0.8.8
> \[0d7ed370\] + StaticArrayInterface v1.5.0
> \[90137ffa\] + StaticArrays v1.9.1
> \[1e83bf80\] + StaticArraysCore v1.4.2
> \[82ae8749\] + StatsAPI v1.7.0
> \[2913bbd2\] + StatsBase v0.34.2
> \[4c63d2b9\] + StatsFuns v1.3.0
> \[7792a7ef\] + StrideArraysCore v0.5.2
> \[2efcf032\] + SymbolicIndexingInterface v0.3.3
> \[d1185830\] + SymbolicUtils v1.5.0
> \[0c5d862f\] + Symbolics v5.16.1
> \[3783bdb8\] + TableTraits v1.0.1
> \[bd369af6\] + Tables v1.11.1
> \[8290d209\] + ThreadingUtilities v0.5.2
> \[a759f4b9\] + TimerOutputs v0.5.23
> \[0796e94c\] + Tokenize v0.5.28
> \[d5829a12\] + TriangularSolve v0.1.20
> \[410a4b4d\] + Tricks v0.1.8
> \[781d530d\] + TruncatedStacktraces v1.4.0
> \[5c2747f8\] + URIs v1.5.1
> \[3a884ed6\] + UnPack v1.0.2
> \[1986cc42\] + Unitful v1.19.0
> \[a7c27f48\] + Unityper v0.1.6
> \[3d5dd08c\] + VectorizationBase v0.21.65
> \[19fa3120\] + VertexSafeGraphs v0.2.0
> \[1d5cc7b8\] + IntelOpenMP\_jll v2024.0.2+0
> \[856f044c\] + MKL\_jll v2024.0.0+0
> \[efe28fd5\] + OpenSpecFun\_jll v0.5.5+0
> \[f50d1b31\] + Rmath\_jll v0.4.0+0
> \[0dad84c5\] + ArgTools v1.1.1
> \[56f22d72\] + Artifacts
> \[2a0f44e3\] + Base64
> \[ade2ca70\] + Dates
> \[8ba89e20\] + Distributed
> \[f43a241f\] + Downloads v1.6.0
> \[7b1f6079\] + FileWatching
> \[9fa8497b\] + Future
> \[b77e0a4c\] + InteractiveUtils
> \[4af54fe1\] + LazyArtifacts
> \[b27032c2\] + LibCURL v0.6.4
> \[76f85450\] + LibGit2
> \[8f399da3\] + Libdl
> \[37e2e46d\] + LinearAlgebra
> \[56ddb016\] + Logging
> \[d6f4376e\] + Markdown
> \[a63ad114\] + Mmap
> \[ca575930\] + NetworkOptions v1.2.0
> \[44cfe95a\] + Pkg v1.10.0
> \[de0858da\] + Printf
> \[3fa0cd96\] + REPL
> \[9a3f8284\] + Random
> \[ea8e919c\] + SHA v0.7.0
> \[9e88b42a\] + Serialization
> \[1a1011a3\] + SharedArrays
> \[6462fe0b\] + Sockets
> \[2f01184e\] + SparseArrays v1.10.0
> \[10745b16\] + Statistics v1.10.0
> \[4607b0f0\] + SuiteSparse
> \[fa267f1f\] + TOML v1.0.3
> \[a4e569a6\] + Tar v1.10.0
> \[8dfed614\] + Test
> \[cf7118a7\] + UUIDs
> \[4ec0a83e\] + Unicode
> \[e66e0078\] + CompilerSupportLibraries\_jll v1.0.5+1
> \[deac9b47\] + LibCURL\_jll v8.4.0+0
> \[e37daf67\] + LibGit2\_jll v1.6.4+0
> \[29816b5a\] + LibSSH2\_jll v1.11.0+1
> \[c8ffd9c3\] + MbedTLS\_jll v2.28.2+1
> \[14a3606d\] + MozillaCACerts\_jll v2023.1.10
> \[4536629a\] + OpenBLAS\_jll v0.3.23+2
> \[05823500\] + OpenLibm\_jll v0.8.1+2
> \[bea87d4a\] + SuiteSparse\_jll v7.2.1+1
> \[83775a58\] + Zlib\_jll v1.2.13+1
> \[8e850b90\] + libblastrampoline\_jll v5.8.0+1
> \[8e850ede\] + nghttp2\_jll v1.52.0+1
> \[3f19e933\] + p7zip\_jll v17.4.0+2
> Info Packages marked with ⌃ and ⌅ have new versions available. Those with ⌃ may be upgradable, but those with ⌅ are restricted by compatibility constraints from upgrading. To see why use \`status --outdated -m\`
> Precompiling project...
> 92 dependencies successfully precompiled in 123 seconds. 118 already precompiled.
> 2 dependencies had output during precompilation:
> ┌ Symbolics → SymbolicsForwardDiffExt
> │ ┌ Warning: Module SymbolicsForwardDiffExt with build ID ffffffff-ffff-ffff-0000-00e7c87c446b is missing from the cache.
> │ │ This may mean SymbolicsForwardDiffExt \[4a213a23-c09c-5cde-9712-b631ad2c72df\] does not support precompilation but is imported by a module that does.
> │ └ @ Base loading.jl:1942
> │ ┌ Error: Error during loading of extension SymbolicsForwardDiffExt of Symbolics, use \`Base.retry\_load\_extensions()\` to retry.
> │ │ exception =
> │ │ 1-element ExceptionStack:
> │ │ Declaring \_\_precompile\_\_(false) is not allowed in files that are being precompiled.
> │ │ Stacktrace:
> │ │ \[1\] \_require(pkg::Base.PkgId, env::Nothing)
> │ │ @ Base ./loading.jl:1946
> │ │ \[2\] \_\_require\_prelocked(uuidkey::Base.PkgId, env::Nothing)
> │ │ @ Base ./loading.jl:1806
> │ │ \[3\] #invoke\_in\_world#3
> │ │ @ Base ./essentials.jl:921 \[inlined\]
> │ │ \[4\] invoke\_in\_world
> │ │ @ Base ./essentials.jl:918 \[inlined\]
> │ │ \[5\] \_require\_prelocked
> │ │ @ Base ./loading.jl:1797 \[inlined\]
> │ │ \[6\] \_require\_prelocked
> │ │ @ Base ./loading.jl:1796 \[inlined\]
> │ │ \[7\] run\_extension\_callbacks(extid::Base.ExtensionId)
> │ │ @ Base ./loading.jl:1289
> │ │ \[8\] run\_extension\_callbacks(pkgid::Base.PkgId)
> │ │ @ Base ./loading.jl:1324
> │ │ \[9\] run\_package\_callbacks(modkey::Base.PkgId)
> │ │ @ Base ./loading.jl:1158
> │ │ \[10\] \_\_require\_prelocked(uuidkey::Base.PkgId, env::String)
> │ │ @ Base ./loading.jl:1813
> │ │ \[11\] #invoke\_in\_world#3
> │ │ @ Base ./essentials.jl:921 \[inlined\]
> │ │ \[12\] invoke\_in\_world
> │ │ @ Base ./essentials.jl:918 \[inlined\]
> │ │ \[13\] \_require\_prelocked(uuidkey::Base.PkgId, env::String)
> │ │ @ Base ./loading.jl:1797
> │ │ \[14\] macro expansion
> │ │ @ Base ./loading.jl:1784 \[inlined\]
> │ │ \[15\] macro expansion
> │ │ @ Base ./lock.jl:267 \[inlined\]
> │ │ \[16\] \_\_require(into::Module, mod::Symbol)
> │ │ @ Base ./loading.jl:1747
> │ │ \[17\] #invoke\_in\_world#3
> │ │ @ Base ./essentials.jl:921 \[inlined\]
> │ │ \[18\] invoke\_in\_world
> │ │ @ Base ./essentials.jl:918 \[inlined\]
> │ │ \[19\] require(into::Module, mod::Symbol)
> │ │ @ Base ./loading.jl:1740
> │ │ \[20\] include
> │ │ @ Base ./Base.jl:495 \[inlined\]
> │ │ \[21\] include\_package\_for\_output(pkg::Base.PkgId, input::String, depot\_path::Vector{String}, dl\_load\_path::Vector{String}, load\_path::Vector{String}, concrete\_deps::Vector{Pair{Base.PkgId, UInt128}}, source::String)
> │ │ @ Base ./loading.jl:2216
> │ │ \[22\] top-level scope
> │ │ @ stdin:3
> │ │ \[23\] eval
> │ │ @ Core ./boot.jl:385 \[inlined\]
> │ │ \[24\] include\_string(mapexpr::typeof(identity), mod::Module, code::String, filename::String)
> │ │ @ Base ./loading.jl:2070
> │ │ \[25\] include\_string
> │ │ @ Base ./loading.jl:2080 \[inlined\]
> │ │ \[26\] exec\_options(opts::Base.JLOptions)
> │ │ @ Base ./client.jl:316
> │ │ \[27\] \_start()
> │ │ @ Base ./client.jl:552
> │ └ @ Base loading.jl:1295
> └  
> ┌ Symbolics → SymbolicsPreallocationToolsExt
> │ ┌ Warning: Module SymbolicsPreallocationToolsExt with build ID ffffffff-ffff-ffff-0000-00e7074474ec is missing from the cache.
> │ │ This may mean SymbolicsPreallocationToolsExt \[d479e226-fb54-5ebe-a75e-a7af7f39127f\] does not support precompilation but is imported by a module that does.
> │ └ @ Base loading.jl:1942
> │ ┌ Error: Error during loading of extension SymbolicsPreallocationToolsExt of Symbolics, use \`Base.retry\_load\_extensions()\` to retry.
> │ │ exception =
> │ │ 1-element ExceptionStack:
> │ │ Declaring \_\_precompile\_\_(false) is not allowed in files that are being precompiled.
> │ │ Stacktrace:
> │ │ \[1\] \_require(pkg::Base.PkgId, env::Nothing)
> │ │ @ Base ./loading.jl:1946
> │ │ \[2\] \_\_require\_prelocked(uuidkey::Base.PkgId, env::Nothing)
> │ │ @ Base ./loading.jl:1806
> │ │ \[3\] #invoke\_in\_world#3
> │ │ @ Base ./essentials.jl:921 \[inlined\]
> │ │ \[4\] invoke\_in\_world
> │ │ @ Base ./essentials.jl:918 \[inlined\]
> │ │ \[5\] \_require\_prelocked
> │ │ @ Base ./loading.jl:1797 \[inlined\]
> │ │ \[6\] \_require\_prelocked
> │ │ @ Base ./loading.jl:1796 \[inlined\]
> │ │ \[7\] run\_extension\_callbacks(extid::Base.ExtensionId)
> │ │ @ Base ./loading.jl:1289
> │ │ \[8\] run\_extension\_callbacks(pkgid::Base.PkgId)
> │ │ @ Base ./loading.jl:1324
> │ │ \[9\] run\_package\_callbacks(modkey::Base.PkgId)
> │ │ @ Base ./loading.jl:1158
> │ │ \[10\] \_\_require\_prelocked(uuidkey::Base.PkgId, env::String)
> │ │ @ Base ./loading.jl:1813
> │ │ \[11\] #invoke\_in\_world#3
> │ │ @ Base ./essentials.jl:921 \[inlined\]
> │ │ \[12\] invoke\_in\_world
> │ │ @ Base ./essentials.jl:918 \[inlined\]
> │ │ \[13\] \_require\_prelocked(uuidkey::Base.PkgId, env::String)
> │ │ @ Base ./loading.jl:1797
> │ │ \[14\] macro expansion
> │ │ @ Base ./loading.jl:1784 \[inlined\]
> │ │ \[15\] macro expansion
> │ │ @ Base ./lock.jl:267 \[inlined\]
> │ │ \[16\] \_\_require(into::Module, mod::Symbol)
> │ │ @ Base ./loading.jl:1747
> │ │ \[17\] #invoke\_in\_world#3
> │ │ @ Base ./essentials.jl:921 \[inlined\]
> │ │ \[18\] invoke\_in\_world
> │ │ @ Base ./essentials.jl:918 \[inlined\]
> │ │ \[19\] require(into::Module, mod::Symbol)
> │ │ @ Base ./loading.jl:1740
> │ │ \[20\] include
> │ │ @ Base ./Base.jl:495 \[inlined\]
> │ │ \[21\] include\_package\_for\_output(pkg::Base.PkgId, input::String, depot\_path::Vector{String}, dl\_load\_path::Vector{String}, load\_path::Vector{String}, concrete\_deps::Vector{Pair{Base.PkgId, UInt128}}, source::String)
> │ │ @ Base ./loading.jl:2216
> │ │ \[22\] top-level scope
> │ │ @ stdin:3
> │ │ \[23\] eval
> │ │ @ Core ./boot.jl:385 \[inlined\]
> │ │ \[24\] include\_string(mapexpr::typeof(identity), mod::Module, code::String, filename::String)
> │ │ @ Base ./loading.jl:2070
> │ │ \[25\] include\_string
> │ │ @ Base ./loading.jl:2080 \[inlined\]
> │ │ \[26\] exec\_options(opts::Base.JLOptions)
> │ │ @ Base ./client.jl:316
> │ │ \[27\] \_start()
> │ │ @ Base ./client.jl:552
> │ └ @ Base loading.jl:1295
> 
> \`\`\`
> 
> \*\*Environment (please complete the following information):\*\*
> 
> - Output of \`using Pkg; Pkg.status()\`
> 
> \`\`\`julia
> (test) pkg\> status
> Status \`~/repos/test/Project.toml\`
> \[961ee093\] ModelingToolkit v8.75.0
> 
> \`\`\`
> 
> - Output of \`using Pkg; Pkg.status(; mode = PKGMODE\_MANIFEST)\`
> 
> \`\`\`julia
> Status \`~/repos/test/Manifest.toml\`
> \[47edcb42\] ADTypes v0.2.6
> \[1520ce14\] AbstractTrees v0.4.4
> ⌅ \[79e6a3ab\] Adapt v3.7.2
> \[ec485272\] ArnoldiMethod v0.2.0
> \[4fba245c\] ArrayInterface v7.7.0
> \[4c555306\] ArrayLayouts v1.5.2
> \[e2ed5e7c\] Bijections v0.1.6
> \[62783981\] BitTwiddlingConvenienceFunctions v0.1.5
> \[2a0fbf3d\] CPUSummary v0.2.4
> \[00ebfdb7\] CSTParser v3.4.0
> \[49dc2e85\] Calculus v0.5.1
> \[d360d2e6\] ChainRulesCore v1.19.1
> \[fb6a15b2\] CloseOpenIntervals v0.1.12
> \[861a8166\] Combinatorics v1.0.2
> \[a80b9123\] CommonMark v0.8.12
> \[38540f10\] CommonSolve v0.2.4
> \[bbf7d656\] CommonSubexpressions v0.3.0
> \[34da2185\] Compat v4.12.0
> \[b152e2b5\] CompositeTypes v0.1.3
> \[2569d6c7\] ConcreteStructs v0.2.3
> \[187b0558\] ConstructionBase v1.5.4
> \[adafc99b\] CpuId v0.3.1
> \[a8cc5b0e\] Crayons v4.1.1
> \[9a962f9c\] DataAPI v1.15.0
> \[864edb3b\] DataStructures v0.18.16
> \[e2d170a0\] DataValueInterfaces v1.0.0
> \[2b5f629d\] DiffEqBase v6.146.0
> \[459566f4\] DiffEqCallbacks v2.36.1
> \[163ba53b\] DiffResults v1.1.0
> \[b552c78f\] DiffRules v1.15.1
> \[b4f34e82\] Distances v0.10.11
> \[31c24e10\] Distributions v0.25.107
> \[ffbed154\] DocStringExtensions v0.9.3
> ⌅ \[5b8099bc\] DomainSets v0.6.7
> \[fa6b7ba4\] DualNumbers v0.6.8
> \[7c1d4256\] DynamicPolynomials v0.5.3
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> Info Packages marked with ⌃ and ⌅ have new versions available. Those with ⌃ may be upgradable, but those with ⌅ are restricted by compatibility constraints from upgrading. To see why use \`status --outdated -m\`
> \`\`\`
> 
> - Output of \`versioninfo()\`
> 
> \`\`\`julia
> Julia Version 1.10.0
> Commit 3120989f39b (2023-12-25 18:01 UTC)
> Build Info:
> Official https://julialang.org/ release
> Platform Info:
> OS: Linux (x86\_64-linux-gnu)
> CPU: 32 × AMD Ryzen 9 7950X 16-Core Processor
> WORD\_SIZE: 64
> LIBM: libopenlibm
> LLVM: libLLVM-15.0.7 (ORCJIT, znver3)
> Threads: 1 on 32 virtual cores
> Environment:
> LD\_LIBRARY\_PATH = /lib:/usr/lib:/usr/local/lib
> \`\`\`
> 
> \*\*Additional context\*\*
> 
> Seams to work despite the error messages...

I am not convinced that this is a bug in Julia, I think it is a bug in a package. What do you think?

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<div class="post-metadata">

**Author:** ![mkitti](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/mkitti/32/12459_2.png) [@mkitti](https://discourse.julialang.org/u/mkitti)\
**Post date:** [February 10, 2024, 8:49pm UTC](https://discourse.julialang.org/t/bug-in-julia-or-in-a-package/110043/2 "2024-02-10T20:49:53Z")

</div>

Maybe its [`PrecompilableError` thrown outside of ` __precompile__ (false)` cases · Issue #51299 · JuliaLang/julia · GitHub](https://github.com/JuliaLang/julia/issues/51299)

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<div class="post-metadata">

**Author:** ![ufechner7](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/ufechner7/32/51363_2.png) [@ufechner7](https://discourse.julialang.org/u/ufechner7)\
**Post date:** [February 10, 2024, 9:26pm UTC](https://discourse.julialang.org/t/bug-in-julia-or-in-a-package/110043/3 "2024-02-10T21:26:25Z")

</div>

Thanks for the link, but it does not really answer my question…

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<div class="post-metadata">

**Author:** ![ChrisRackauckas](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/chrisrackauckas/32/77_2.png) [@ChrisRackauckas](https://discourse.julialang.org/u/ChrisRackauckas)\
**Post date:** [February 10, 2024, 9:37pm UTC](https://discourse.julialang.org/t/bug-in-julia-or-in-a-package/110043/4 "2024-02-10T21:37:39Z")

</div>

If you search the issues list you’d see that you’re the 8th one to post it this week, and the answer is still the same. It doesn’t cause any actual errors, it’s [precompilation errors with SymbolicsForwardDiffExt and SymbolicsPreallocationToolsExt · Issue #1042 · JuliaSymbolics/Symbolics.jl · GitHub](https://github.com/JuliaSymbolics/Symbolics.jl/issues/1042), and it’s due to a bug in Julia [Extensions: pre-compilation fails if more than one extension · Issue #52511 · JuliaLang/julia · GitHub](https://github.com/JuliaLang/julia/issues/52511). I’ll work around it so the printing and all goes away, but I cannot actually work around it if I need to keep pasting this information.

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<div class="post-metadata">

**Author:** ![ChrisRackauckas](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/chrisrackauckas/32/77_2.png) [@ChrisRackauckas](https://discourse.julialang.org/u/ChrisRackauckas)\
**Post date:** [February 11, 2024, 8:35am UTC](https://discourse.julialang.org/t/bug-in-julia-or-in-a-package/110043/5 "2024-02-11T08:35:16Z")

</div>

Should be completely gone now. Worked around it by making ForwardDiff a dependency to Symbolics, and it’s setup to be easy to be made back into an extension with Julia v1.11 which should have the fix.