SAP Message C1149 - Error during IDoc processing - see log for details

Diagnosis The data in IDOC could not be copied because an error was found.For details on the cause of the error, please see the log. Procedure Call transaction SLG1 with object CAPI andsub-object CAPI_LOG, then check all log entries. IF &DEVICE& = 'SCREEN' FUNKTION AUSWÄHLEN ENDIF