This section provides a list of all possible return codes.
| 00 | Success |
| 02 | Invalid cabinet name or - in batch mode only - locked cabinet |
| 03 | Password incorrect |
| 04 | ISN was not found |
| 05 | TID/LU device is not a personal computer |
| 06 | TRS could not be invoked |
| 07 | DCA feature not implemented |
| 08 | Supply either ISN or name, not both |
| 09 | ISN does not point to correct object |
| 10 | Function not valid for a system folder |
| 11 | Supply folder/file name or number, not both |
| 12 | No system folder record present |
| 13 | Invalid object number |
| 14 | Con-form is not available |
| 15 | Invalid administrator status |
| 16 | Document is locked - editing was not completed |
| 18 | API context buffer not available |
| 21 | Addressee not found |
| 22 | Can't create spool file entry |
| 23 | Sender cabinet ID not found |
| 24 | Security violation |
| 25 | More addressees than allowed for sender's cabinet |
| 26 | Document-name was not found in sender's cabinet |
| 27 | Cover note is required |
| 28 | Subject is required |
| 29 | Cover note could not be saved |
| 30 | Distribution list name invalid |
| 31 | No members found |
| 32 | Member (address) could not be found |
| 33 | Addressee not unique |
| 34 | Address type not found |
| 39 | Time range too small for search |
| 40 | Date range is negative or more than 90 days |
| 41 | Invalid start-date |
| 42 | Invalid start-time |
| 43 | Invalid end-date |
| 44 | Invalid end-time |
| 45 | No appointments found (not an error) |
| 46 | Requested appointment not found, or there is no appointment |
| 47 | Invalid timezone (range -12 to +11) |
| 49 | Invalid value for Search-for-hours/Search-for-minutes |
| 50 | Value for Search-for-hours/Search-for-minutes is greater than specified time range |
| 51 | Invalid name |
| 52 | Object with specified name already exists |
| 53 | Requested object does not exist |
| 54 | At least one keyword was invalid |
| 55 | Requested folder/file does not exist |
| 56 | Requested folder is a TRS folder |
| 57 | Document contains no text |
| 58 | No directory record has been created |
| 59 | Requested procedure not found |
| 60 | Edit area is empty |
| 61 | Invalid security code(s) |
| 62 | Invalid date format |
| 63 | Document already marked for archiving |
| 64 | An error has occurred while converting to/from DCA - check end of text |
| 65 | This is not a Con-form document |
| 66 | Requested folder is not a TRS folder |
| 67 | Document not in DCA format |
| 68 | Object is not a user-defined object |
| 69 | Translated document too large |
| 70 | The security levels must be numeric |
| 71 | Invalid pre-formatting procedure name |
| 72 | Invalid post-formatting procedure name |
| 73 | Invalid folder/file name |
| 74 | Folder/file already exists |
| 75 | Too many folders/files in this cabinet (<65535) |
| 76 | Sequence number for folder invalid, set to 1 |
| 77 | End of list |
| 78 | This is not a text document |
| 79 | Document format invalid |
| 80 | Document is not correctly structured |
| 81 | Invalid formatting profile name |
| 82 | Requested formatting profile does not exist |
| 83 | Invalid printer profile name |
| 84 | Requested printer profile does not exist |
| 85 | Compiled version of printer profile not found |
| 86 | Printer driver module cannot be loaded |
| 87 | System address record for system variables not found |
| 88 | Document is not in correct format for printing |
| 89 | No printer TID/LU supplied |
The return codes 90 to 99 are used in several API subprograms and are defined individually in each API subprogram. See the return code list of the appropriate subprogram for further information.