User is not valid for this user picker
Platform notice: Server and Data Center only. This article only applies to Atlassian products on the Server and Data Center platforms.
Support for Server* products ended on February 15th 2024. If you are running a Server product, you can visit the Atlassian Server end of support announcement to review your migration options.
*Except Fisheye and Crucible
Summary
An error is occurring when attempting to create an issue: CustomField: User 'username' is not valid for this user picker.
Diagnosis
This error will be displayed on the Create Issue screen and no errors will appear within the logs.
Cause
This is a result of a deleted or disabled user being the Default value for a Custom Field of the User Picker type.
Solution
- Go to 'Jira Administration -> Issues -> Custom Fields'.
- Locate the custom field that reported the error when attempting to create the issue.
- Under the 'Actions' column, select 'Configure'.
- Select 'Edit Default value'.
- Remove or replace the user with an Active user.