| Error message | Errorcode | Remark |
| "No such entity" | 011 | Entiy does not exist. |
| "No such relation" | 012 | Relation does not exist |
| "No such type" | 013 | Type does not exist. |
| "No such entity name" | 014 | Missing or wrong entity name |
| "No such relation name" | 015 | Missing or wrong relation name |
| "No such type name" | 016 | Missing or wrong type name |
| "No such view name" | 017 | Missing or wrong view name |
| "No such mask" | 018 | Mask does not exist |
| "No such menu" | 019 | Menu does not exist |
| "No such field" | 020 | Field does not exist |
| "No update rights" | 021 | No write access to record |
| "No access to entity" | 022 | No read access to entity |
| "No insert to mask" | 023 | Insert not allowed |
| "No update rights" | 024 | No write access to field |
| "No edit in mask" | 025 | No write access to record |
| "Delete failed" | 026 | Error during deletion |
| "No widget" | 027 | Widget does not exist |
| "No selection" | 028 | No record selected |
| "No such document" | 029 | Missing or wrong type name |
| "No frames" | 030 | No such frame found |
| "No entries found" | 031 | No records found |
| "No such element" | 032 | No record found |
| "No such group" | 033 | No such GTM-group found |
| "Element was not reserved" | 035 | Record is not reserved |
| "Check failed" | 036 | Check of record failed |
| "Not enough memory" | 037 | Not enough memory for return values |
| "No c_id for wdg_set_ide" | 038 | No 'parent' C_ID found to open relation widget |
| "No default found" | 039 | No such default found in default list of DataView |
| "No message found" | 040 | No such message found in DataView message list |
| "No graphic interface intialized" | 041 | The graphical browser was not intialized |
| "Wrong constraint name" | 042 | Wrong constraint name |
| "No access to entity" | 043 | No access to entity |
| "No list for entity" | 044 | No entity list available |
| "Authentication failed" | 045 | Wrong user name or password |
| "Authentication blocked" | 046 | Wrong user name or password |
| "Error in pre-field-trigger" | 050 | Pre-field userexits returns error |
| "Error in post-field-trigger" | 051 | Post field userexits returns error. |
| "Error in edit-action-trigger" | 052 | Edit action userexit returns error |
| "Error in pre-action-trigger" | 053 | Pre action userexit returns error |
| "Error in pre-mask-trigger" | 054 | Pre-mask userexit returns error |
| "Error in post-mask-trigger" | 055 | Post-mask userexit returns error |
| "Error in standard trigger" | 056 | Checkstring error |
| "Mandatory field is NULL" | 057 | Mandatory field is empty |
| "Element locked" | 058 | Record is locked |
| "Element already reserved" | 059 | Record already reserved |
| "Element reserved by another user" | 060 | Record is reserved by another user |
| "Storing of entity data failed" | 061 | Error during storage of entity data |
| "Storing of type data failed" | 062 | Error during storage of type data |
| "Storing of relation data failed" | 063 | Error during storage of relation data |
| "File copy failed" | 064 | Error during file copy |
| "File copy incomplete" | 065 | File copy not complete |
| "Element is used" | 067 | Record is used (e.g. cannot be deleted) |
| "Open list error" | 068 | Error during opening list |
| "No field" | 069 | No field of list |
| "Parameter string too small for output" | 070 | Return parameter too small for return values |
| "Value too big for column" | 071 | Value too big for column |
| "Error opening file" | 072 | Error during opening file |
| "Storing of constraint data failed" | 073 | Error during storage of constraint data |
| "Error in post-action-trigger" | 074 | Post action userexit returns error |
| "Refine relation exists" | 080 | There is a refine relation to record |
| "Aggregate relation exists" | 081 | There is an aggregate relation to record |
| "Element exists" | 082 | Record already exists |
| "Too many elements" | 083 | More than one record is selected |
| "Wrong widget mode" | 090 | Wrong widget mode |
| "Wrong action mode" | 091 | Wrong action mode |
| "Wrong function" | 092 | Wrong function |
| "Not enough parameters" | 093 | Not enough input parameters for function |
| "Wrong file status" | 094 | Wrong file status |
| "Wrong defaults" | 095 | Wrong default name |
| "No valid type" | 096 | Wrong default type value |
| "Wrong resflag value" | 097 | Wrong value for parameter resflag |
| "Wrong direction value" | 098 | Wrong direction value |
| "Transaction error" | 099 | EPQ Transaction error |
| "Internal error" | 100 | Internal error |
| "User aborted" | 101 | User aborted function (e.g. did not store record) |
| "Nothing done" | 102 | Nothing changed |
| "Connection wait" | 103 | Connection is busy (e.g. eci_sel_ent is started and not yet finished. Another eci_sel_ent-call is already started.) |
| "Wrong call sequence" | 104 | Wrong call sequence |
| "Error in EPQ statement" | 105 | Error in EPQ statement |
| "Wrong user" | 106 | Wrong user name or password |
| "Current mask is in edit-mode" | 107 | Current mask is in edit-mode |
| "Data loss in character conversion" | 108 | Data loss in character conversion |
| "Error in transport layer" | 111 | Error in transport layer |
| "New connection attempt failed" | 112 | New connection attempt failed |