| Version number | Date | Change(s) | Author |
| 1 | 02.05.2023 | First version release | Nicolas Jasinski |
| 2 | 19.07.2023 | New codes: 5222, 5302, 5206, 5675, 5421 | Nicolas Jasinski |
| 3 | TBC | New code: 5650 | Nicolas Jasinski |
| Code | Code description |
| 5206 | UNKNOWN DOSSIER ID |
| 5222 | INVALID IM PARAMETER VALUE |
| 4300 | THE REQUEST CONTAINS A PATH SECTION WHERE EITHER, 1) TRAIN WEIGHT <WEIGHT OF SET OF CARRIAGES, 2)TRAIN LENGTH <LENGTH OF SET OF CARRIAGE, 3)REQUEST TRAIN MAX SPEED <SPEED PLANNED BY IM, 4)MAXIMUM INFRASTRUCTURE SPEED <SPEED PLANNED BY IM, 5)REQUESTED TRAIN MAX SPEED <MAXIMUM INFRASTRUCTURE SPEED |
| 5302 | INSUFFICIENT PRIVILEGES |
| 5401 | UNKNOWN COMPANY CODE |
| 5402 | UNKNOWN LOCATION |
| 5403 | UNKNOWN TIMETABLE PERIOD |
| 5404 | UNKNOWN LOCATION TYPE |
| 5405 | UNKNOWN ACTIVITY TYPE |
| 5406 | UNKNOWN TRAIN RADIO |
| 5407 | UNKNOWN TRAIN CC SYSTEM |
| 5408 | UNKNOWN TRAIN TYPE |
| 5409 | UNKNOWN LOCO TYPE |
| 5410 | UNKNOWN HYBRID LOCO TYPE |
| 5411 | UNKNOWN TRACTION MODE |
| 5412 | UNKNOWN BRAKE TYPE |
| 5413 | UNKNOWN EXCEPTIONAL GAUGING IDENT |
| 5414 | UNKNOWN PATH ALTERATION TYPE |
| 5415 | UNKNOWN PATH ALTERATION REJECTION CAUSE |
| 5416 | UNKNOWN PATH MODIFICATION TYPE |
| 5417 | UNKNOWN PATH MODIFICATION OFFER REJECTION CAUSE |
| 5421 | UNKNOWN RU IMPAIR |
| 5501 | SYSTEM ERROR |
| 5502 | CONFIG ERROR |
| 5650 | NO CHANGES COMPARED TO THE PREVIOUS DOSSIER VERSION |
| 5672 | SOME OF THE REQUESTED CAPACITY IN THE REQUEST HAS NOT BEEN PUBLISHED FOR THE PAP INCLUDED IN THE REQUEST |
| 5675 | DELETING THE LAST SUBPATH OF THE TERRITORY IS NOT AUTHORISED |
| 5702 | THERE IS A TRAIN PARAMETER FIELD THAT IS NOT SUPPORTED BY TRAIN TYPE |
