# Error loading SLEPc **URL:** \ **Category:** General Discussion\ **Created:** [February 8, 2024, 7:38am UTC](https://community.freefem.org/t/error-loading-slepc/2948 "2024-02-08T07:38:01Z")\ **Posts on this page:** 2\ **Page:** 1
**Author:** ![Amitkaush](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.freefem.org/amitkaush/32/1978_2.png) [@Amitkaush](https://community.freefem.org/u/Amitkaush)\ **Post date:** [February 8, 2024, 7:38am UTC](https://community.freefem.org/t/error-loading-slepc/2948/1 "2024-02-08T07:38:01Z")
I am using 4.13 version of freefem and on loading SLEPc i am getting this error (base) amit@amit:~/my-project/freefem\_matlab\_octave\_plot-public/release-v2.0/demos$ FreeFem++ i2d.edp – FreeFem++ v4.13 (Fri 07 Jul 2023 10:49:44 AM CEST - git v4.13) file : i2d.edp Load: lg\_fem lg\_mesh lg\_mesh3 eigenvalue 1 : load “SLEPc” Load error: SLEPc fail: dlerror : /usr/local/lib/ff++/4.13/lib/SLEPc.so: cannot open shared object file: No such file or directory list prefix: ‘/usr/lib/ff++/4.9/lib/’ ‘./’ ‘/usr/local/lib/ff++/4.13/lib/’ list suffix: ‘’ , ‘.so’ current line = 1 Load error : SLEPc line number :1, SLEPc error Load error : SLEPc line number :1, SLEPc code = 2 mpirank: 0 ---
**Author:** ![julienG](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.freefem.org/julieng/32/222_2.png) [@julienG](https://community.freefem.org/u/julienG)\ **Post date:** [February 8, 2024, 11:02am UTC](https://community.freefem.org/t/error-loading-slepc/2948/2 "2024-02-08T11:02:21Z")
I think you just have to use `FreeFem++-mpi`