When assigning an issue to a valid assignee in JIRA Cloud, this error message occurs:
"The JIRA server was contacted but has returned an error response. We are unsure of the result of this operation."
JIRA Cloud 6.5-OD-08
Click Create > select the drop down, the error message will occur.
This seems to be happening with all Projects.
The drop down menu should populate with assignees
The below exception is thrown in the xxxxxxx.log file: