Fatal error when trying to import Issues into JIRA. Validation passed

[Venkatesh Parameswari]

2022-12-05 23:41:54,840 INFO - Importer started!
2022-12-05 23:41:54,840 INFO - Engine is running in Import mode
2022-12-05 23:41:55,026 INFO - All issues will be imported to project: GreatWest-R1-Inception (GRI)
2022-12-05 23:41:55,046 INFO - Creating issue: [externalId='autoid--7454239107102754642', summary='Define Sample Data']
2022-12-05 23:41:55,348 ERROR - Fatal error during import: 

[Nic Brough -Adaptavist-]

Welcome to the Atlassian Community!

Ouch, that's a painful one, is there really nothing after "fatal error during import:"?

[Matt Doar]

Some ideas here but this really needs more log output