To resolve this, complete the following steps:
1. On server navigate to
2. Copy all of the certs listed there
3. Paste to this location:
4. Test importing grants again in FIMS, note that the error will no longer occur.
Note: If you are on an older version of FIMS, there may be one cert that is not in the \npo\found\FIMS\Bin\ProgressCerts, c7e2a638.0. That cert can be given to you by FIMS support to be copied to your server.