Hello,
I'm trying to import a Trello board into Jira. I tested a simple trello board with 3 lists and a 2 cards.
I get different errors each time I import the same board. Sometimes it imports 1 of the 2 cards and other times none of the cards are import.
The error mentions custom field. What is a custom field in Trello?

Imported Board - Only 1 card was migrated. Except error message says that its failed on both.

Trello Board with 2 cards.
