# Problem of using parms solver

**URL:** <https://community.freefem.org/t/problem-of-using-parms-solver/93>\
**Category:** General Discussion\
**Created:** [July 10, 2019, 9:29am UTC](https://community.freefem.org/t/problem-of-using-parms-solver/93 "2019-07-10T09:29:24Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![xlzheng](https://avatars.discourse-cdn.com/v4/letter/x/2acd7d/32.png) [@xlzheng](https://community.freefem.org/u/xlzheng)\
**Post date:** [July 10, 2019, 9:29am UTC](https://community.freefem.org/t/problem-of-using-parms-solver/93/1 "2019-07-10T09:29:24Z")

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I want to use the parallel sparse iterative solver: pARMS, but when I run the example,  
I get  
" Exec error : Plugins parms\_FreeFem is remove"  
but under the path : /plugin/mpi/ , parms\_FreeFem.cpp、parms\_FreeFem.o、parms\_FreeFem.so are exist.  
I don’t know why.