What does error code 4 mean? Thaabit Mollagee June 25, 2019 12:43 Updated Follow A list of bank error codes can be requested from firstname.lastname@example.org Related articles What does error code 05 mean? Where do I find a list of bank error codes? SMS payment notifications when the “money has not gone through” Do I need to integrate into 3D secure? Comments 0 comments Please sign in to leave a comment.