| RFC_OK |
Everything O.K. Used by every function. |
| RFC_COMMUNICATION_FAILURE |
Error in Network & Communication layer. |
| RFC_LOGON_FAILURE |
Unable to logon to SAP system. Invalid password, user locked, etc. |
| RFC_ABAP_RUNTIME_FAILURE |
SAP system runtime error (SYSTEM_FAILURE): Shortdump on the backend side. |
| RFC_ABAP_MESSAGE |
The called function module raised an E-, A- or X-Message. |
| RFC_ABAP_EXCEPTION |
The called function module raised an Exception (RAISE or MESSAGE ... RAISING). |
| RFC_CLOSED |
Connection closed by the other side. |
| RFC_CANCELED |
No longer used. |
| RFC_TIMEOUT |
Time out. |
| RFC_MEMORY_INSUFFICIENT |
Memory insufficient. |
| RFC_VERSION_MISMATCH |
Version mismatch. |
| RFC_INVALID_PROTOCOL |
The received data has an unsupported format. |
| RFC_SERIALIZATION_FAILURE |
A problem while serializing or deserializing RFM parameters. |
| RFC_INVALID_HANDLE |
An invalid handle was passed to an API call. |
| RFC_RETRY |
RfcListenAndDispatch did not receive an RFC request during the timeout period. |
| RFC_EXTERNAL_FAILURE |
Error in external custom code. (E.g. in the function handlers or tRFC handlers.) Results in SYSTEM_FAILURE. |
| RFC_EXECUTED |
Inbound tRFC Call already executed (needs to be returned from RFC_ON_CHECK_TRANSACTION in case the TID is already known and successfully processed before.). |
| RFC_NOT_FOUND |
Function or structure definition not found (Metadata API). |
| RFC_NOT_SUPPORTED |
The operation is not supported on that handle. |
| RFC_ILLEGAL_STATE |
The operation is not supported on that handle at the current point of time (e.g. trying a callback on a server handle, while not in a call). |
| RFC_INVALID_PARAMETER |
An invalid parameter was passed to an API call, (e.g. invalid name, type or length). |
| RFC_CODEPAGE_CONVERSION_FAILURE |
Codepage conversion error. |
| RFC_CONVERSION_FAILURE |
Error while converting a parameter to the correct data type. |
| RFC_BUFFER_TOO_SMALL |
The given buffer was to small to hold the entire parameter. Data has been truncated. |
| RFC_TABLE_MOVE_BOF |
Trying to move the current position before the first row of the table. |
| RFC_TABLE_MOVE_EOF |
Trying to move the current position after the last row of the table. |
| RFC_START_SAPGUI_FAILURE |
Failed to start and attach SAPGUI to the RFC connection. |
| RFC_ABAP_CLASS_EXCEPTION |
The called function module raised a class based exception. |
| RFC_UNKNOWN_ERROR |
"Something" went wrong, but I don't know what... |
| RFC_AUTHORIZATION_FAILURE |
Authorization check error. |
| _RFC_RC_max_value |
Don't use. |
