For standard OpenSQL operations, 4 might mean "no rows found." However, for low-level system operations—specifically and External command execution (CALL 'SYSTEM') —the code 15 takes on a distinct personality. The Official Definition According to SAP documentation, when using OPEN DATASET or CALL 'SYSTEM' , sy-subrc 15 translates to: "Access denied. No authorization for this access."
CALL FUNCTION 'CHK_FILE_ACCESS' EXPORTING filename = lv_filename access_mode = 'READ' "'WRITE' or 'APPEND' EXCEPTIONS no_authorization = 1 file_not_found = 2 access_denied = 3. "This maps to sy-subrc 15! If this function module returns access_denied = 3 , you have saved yourself a runtime error. Since SAP won't tell you why the OS said no, go to the OS directly. Log into the application server as <sid>adm . Run the exact operation manually:
While a generic "Access Denied" pop-up might send a junior developer scrambling to check basic login credentials, a seasoned SAP professional knows that the devil is in the details—specifically, the system variable . access denied sy-subrc 15
IF lv_rc = 0. TRANSFER 'Hello World' TO lv_filename. CLOSE DATASET lv_filename. ELSEIF lv_rc = 15. " Specifically handle Access Denied lv_os_error = |Access Denied by OS for file: lv_filename |. WRITE: / lv_os_error. " Log to custom error table (ZOS_ERROR_LOG) but do not crash. PERFORM log_os_error USING lv_filename lv_os_error. ELSE. " Handle other errors (e.g., sy-subrc 1, 5, etc.) WRITE: / 'Generic file error: ', lv_rc. ENDIF.
OPEN DATASET lv_filename FOR OUTPUT IN TEXT MODE ENCODING DEFAULT. lv_rc = sy-subrc. For standard OpenSQL operations, 4 might mean "no rows found
This article dissects the sy-subrc 15 error from every angle. We will explore what the return code means, why the operating system says "No," how to capture the elusive error message, and the granular steps to resolve the "Access Denied" status for good. In ABAP, sy-subrc (Return Code) is a global system field that indicates the success or failure of the last operation. A 0 means success. Any non-zero value indicates a specific problem.
Wait—"No authorization"? Does this mean an SAP Authorization object (like S_DATASET or S_LOG_COM) is missing? This is the most common misconception. "This maps to sy-subrc 15
drwxrwxrwt 2 root root 4096 Oct 26 09:30 /tmp/export The ( t ) is set. On Linux, the sticky bit on /tmp means only the file owner (root) or directory owner (root) can delete or rename files. But the SAP user ( a4hadm ) owns the files inside. Why?