Trello - Troubleshooting
Are you experiencing an issue with the TeamGantt Power-Up for Trello? If so, check the list below to see if there is a workaround that might help.
I get an error when trying to link a card to a project in TeamGantt.
It is possible the card is already attached to a task in TeamGantt, despite not showing an attachment on the card back. You can remove the link between the card an task by deleting the task in TeamGantt. If you can't find the task, a simple way of doing this is archiving the card in Trello, then unarchiving it. Note that this will delete the task in TeamGantt. You should then be able to sync the card to a project again.
Our team is working towards a hands-off solution which doesn't involve the workaround.