Summary

Trello importer 'Begin Import' button is temporarily grayed out if one of the listed user name are duplicated.

Expected Result

Error message should be displayed if required to inform user of duplicated user name being an issue. The button is grayed out until user fix the problem on Trello.

Current Result

No error message and the button is just grayed out. User is not able to proceed with import due to that and have no idea what went wrong.

Steps to Replicate

Attempt to import some issues over to JIRA from Trello. The Trello account have to have 2 users with the same user name.

Workaround

1. Remove one of the users from Trello entirely and then attempt the import again. The button should now be clickable.