I keep receiving a “validation failed” error on transactions, what do I do? Thaabit Mollagee March 04, 2016 11:25 Updated Follow The account that keeps failing with this error will need to be checked, certain details of this account might be invalid / incorrect. Please contact email@example.com. Related articles What does validation failed mean? 5002 - Prior authentication required Comments 0 comments Please sign in to leave a comment.