How do I resolve the GreyNoise error "Cannot assume role.../panther-greynoise-basic-access-role"?

Issue

When trying to add GreyNoise enrichment files via CI/CD, the following error appears:

Cannot assume role.../panther-greynoise-basic-access-role

Resolution

Contact your Panther Support team to report this error, and they will help you resolve it. 

Cause

This error can be caused by an account misconfiguration.