# Cannot start Julia 1.7 rc2

**URL:** <https://discourse.julialang.org/t/cannot-start-julia-1-7-rc2/70629>\
**Category:** General Usage\
**Created:** [October 29, 2021, 3:34pm UTC](https://discourse.julialang.org/t/cannot-start-julia-1-7-rc2/70629 "2021-10-29T15:34:27Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![matthieu](https://avatars.discourse-cdn.com/v4/letter/m/da6949/32.png) [@matthieu](https://discourse.julialang.org/u/matthieu)\
**Post date:** [October 29, 2021, 3:34pm UTC](https://discourse.julialang.org/t/cannot-start-julia-1-7-rc2/70629/1 "2021-10-29T15:34:27Z")

</div>

I cannot launch Julia 1.7 rc2 after updating to Monterey (macOS 12.0). When I try to launch it in the Terminal, I get the error:

```julia
fatal: error thrown and no exception handler available.
InitError(mod=:Sys, error=ErrorException("PCRE compilation error: unrecognised compile-time option bit(s) at offset 0"))
error at ./error.jl:33
compile at ./pcre.jl:155
compile at ./regex.jl:82
#occursin#442 at ./regex.jl:265 [inlined]
occursin at ./regex.jl:265 [inlined]
isdirpath at ./path.jl:117 [inlined]
normpath at ./path.jl:369
abspath at ./path.jl:426
abspath at ./path.jl:435 [inlined]
__init_build at ./sysinfo.jl:125
__init__ at ./sysinfo.jl:117
jfptr ___init___ 27501.clone_1 at /Applications/Julia-1.7.app/Contents/Resources/julia/lib/julia/sys.dylib (unknown line)
jl_apply_generic at /Applications/Julia-1.7.app/Contents/Resources/julia/lib/julia/libjulia-internal.1.7.dylib (unknown line)
jl_module_run_initializer at /Applications/Julia-1.7.app/Contents/Resources/julia/lib/julia/libjulia-internal.1.7.dylib (unknown line)
_finish_julia_init at /Applications/Julia-1.7.app/Contents/Resources/julia/lib/julia/libjulia-internal.1.7.dylib (unknown line)
julia_init at /Applications/Julia-1.7.app/Contents/Resources/julia/lib/julia/libjulia-internal.1.7.dylib (unknown line)
jl_repl_entrypoint at /Applications/Julia-1.7.app/Contents/Resources/julia/lib/julia/libjulia-internal.1.7.dylib (unknown line)

```

Julia 1.6 is still working though.

---

<div class="post-metadata">

**Author:** ![giordano](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/giordano/32/2166_2.png) [@giordano](https://discourse.julialang.org/u/giordano)\
**Post date:** [October 29, 2021, 9:24pm UTC](https://discourse.julialang.org/t/cannot-start-julia-1-7-rc2/70629/2 "2021-10-29T21:24:23Z")

</div>

Mind [opening an issue](https://github.com/JuliaLang/julia/issues/new)?

_Edit_: for the record, the issue was opened at [https://github.com/JuliaLang/julia/issues/42875](https://github.com/JuliaLang/julia/issues/42875)