Access Denied Sy-subrc 15 ^hot^ May 2026

Use transaction to view the user's current authorization buffer.

The RFC user (often RFCUSER or ALEREMOTE ) is missing object S_RFC with fields RFC_TYPE = FUGR (Function Group) and RFC_NAME = SYST (for system calls) or the specific function group. access denied sy-subrc 15

When an ABAP program attempts to read or write a file on the application server using OPEN DATASET , it is not doing so as you (the human user logged into the GUI). It is doing so as the that owns the SAP Work Process (typically sidadm on UNIX/Linux systems). Use transaction to view the user's current authorization