Issue
NPE (NULL Pointer Exceptions) are seen in Contrast log when creating Jira tickets from vulnerabilities logged in Contrast UI.
Unchecking all the boxes (for what details to send over to jira) will successfully create the issue.
Cause
This issue can be caused by changes made in Jira that have not yet been indexed.
Resolution
Check with Jira administration to see if there were any changes to the project or jira and reindexing has not yet been performed.