What does error code 4 mean? Thaabit Mollagee August 24, 2017 12:14 Updated Follow A list of bank error codes can be requested from firstname.lastname@example.org. Related articles SMS payment notifications when the “money has not gone through” What does error code 05 mean? Do I need to integrate into 3D secure? Where do I find a list of bank error codes? Comments 0 comments Please sign in to leave a comment.