# Unable to successfully call PETSc function 'VecCreate'

**URL:** <https://fenicsproject.discourse.group/t/unable-to-successfully-call-petsc-function-veccreate/11479>\
**Category:** Errors\
**Created:** [June 12, 2023, 7:12pm UTC](https://fenicsproject.discourse.group/t/unable-to-successfully-call-petsc-function-veccreate/11479 "2023-06-12T19:12:20Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![dokken](https://yyz2.discourse-cdn.com/free1/user_avatar/fenicsproject.discourse.group/dokken/32/1560_2.png) [@dokken](https://fenicsproject.discourse.group/u/dokken)\
**Post date:** [June 13, 2023, 6:02am UTC](https://fenicsproject.discourse.group/t/unable-to-successfully-call-petsc-function-veccreate/11479/2 "2023-06-13T06:02:03Z")

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See for instance: [MPI communicators remain blocked - #8 by beschlcc](https://fenicsproject.discourse.group/t/mpi-communicators-remain-blocked/7941/8)

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