# Could not import OrdinaryDiffEq.SavedValues into ControlSystems
**URL:** https://discourse.julialang.org/t/could-not-import-ordinarydiffeq-savedvalues-into-controlsystems/99545
**Category:** General Usage
**Tags:** package, ordinarydiffeq
**Created:** [May 29, 2023, 8:15am UTC](https://discourse.julialang.org/t/could-not-import-ordinarydiffeq-savedvalues-into-controlsystems/99545 "2023-05-29T08:15:14Z")
**Posts on this page:** 4
**Page:** 1
### Author:  [@HerAdri](https://discourse.julialang.org/u/HerAdri)
#### Post date: [May 29, 2023, 8:15am UTC](https://discourse.julialang.org/t/could-not-import-ordinarydiffeq-savedvalues-into-controlsystems/99545/1 "2023-05-29T08:15:14Z")
What does this alert mean and how to resolve it?
```julia
julia> using ControlSystems
[Info: Precompiling ControlSystems [a6e380b2-a6ca-5380-bf3e-84a91bcd477e]
WARNING: could not import OrdinaryDiffEq.SavedValues into ControlSystems
WARNING: could not import OrdinaryDiffEq.SavingCallback into ControlSystems
Julia Version 1.9.0
Commit 8e63055292 (2023-05-07 11:25 UTC)
Platform Info:
OS: Windows (x86_64-w64-mingw32)
CPU: 4 × Intel(R) Core(TM) i5-4570 CPU @ 3.20GHz
WORD_SIZE: 64
LIBM: libopenlibm
LLVM: libLLVM-14.0.6 (ORCJIT, haswell)
Threads: 1 on 4 virtual cores
```
---
### Author:  [@ChrisRackauckas](https://discourse.julialang.org/u/ChrisRackauckas)
#### Post date: [May 29, 2023, 1:28pm UTC](https://discourse.julialang.org/t/could-not-import-ordinarydiffeq-savedvalues-into-controlsystems/99545/2 "2023-05-29T13:28:12Z")
@baggepinnen those don’t exist in OrdinaryDiffEq, those exist in DiffEqCallbacks.
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### Author:  [@baggepinnen](https://discourse.julialang.org/u/baggepinnen)
#### Post date: [May 30, 2023, 1:27pm UTC](https://discourse.julialang.org/t/could-not-import-ordinarydiffeq-savedvalues-into-controlsystems/99545/3 "2023-05-30T13:27:18Z")
They are imported fro DiffEqCallbacks as well, so I’m not quite sure what the problem is
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---
### Author:  [@baggepinnen](https://discourse.julialang.org/u/baggepinnen)
#### Post date: [May 30, 2023, 3:57pm UTC](https://discourse.julialang.org/t/could-not-import-ordinarydiffeq-savedvalues-into-controlsystems/99545/4 "2023-05-30T15:57:14Z")
Turns out there was erroneous duplicated imports in another file, should be fixed by
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