# Precompiling ClusterManagers

**URL:** <https://discourse.julialang.org/t/precompiling-clustermanagers/16991>\
**Category:** General Usage\
**Tags:** parallel, mpi\
**Created:** [October 31, 2018, 12:45am UTC](https://discourse.julialang.org/t/precompiling-clustermanagers/16991 "2018-10-31T00:45:30Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![tims](https://avatars.discourse-cdn.com/v4/letter/t/7ea924/32.png) [@tims](https://discourse.julialang.org/u/tims)\
**Post date:** [October 31, 2018, 12:45am UTC](https://discourse.julialang.org/t/precompiling-clustermanagers/16991/1 "2018-10-31T00:45:30Z")

</div>

What’s a good fix for this?

julia\> using ClusterManagers  
INFO: Recompiling stale cache file /share/apps/Julia/julia-903644385b/share/julia/site/lib/v0.6/ClusterManagers.ji for module ClusterManagers.  
WARNING: The call to compilecache failed to create a usable precompiled cache file for module ClusterManagers. Got:  
WARNING: Precompile file header verification checks failed.  
ERROR: LoadError: Declaring **precompile** (true) is only allowed in module files being imported.  
Stacktrace:  
[1] **precompile** (::Bool) at ./loading.jl:342  
[2] include\_from\_node1(::String) at ./loading.jl:576  
[3] eval(::Module, ::Any) at ./boot.jl:235  
[4] \_require(::Symbol) at ./loading.jl:490  
[5] require(::Symbol) at ./loading.jl:405  
while loading /share/apps/Julia/julia-903644385b/share/julia/site/v0.6/ClusterManagers/src/ClusterManagers.jl, in expression starting on line 1