The most common reason is that the user lacks the necessary authorization objects or roles to perform the action requested by the program. SAP systems are highly secured, and access to data and transactions is strictly controlled through authorization profiles.
While 4 means "nothing found" and 8 usually signals a logical mistake, 15 is the system’s way of shutting the door in your face. In the context of standard SAP file operations—particularly OPEN DATASET —a return code of 15 translates to a bluntness that frustrates developers and basis teams alike: access denied sy-subrc 15
The file you are trying to write to or read from is already open in another application (like Excel or Word). The most common reason is that the user
: Use the method CL_GUI_FRONTEND_SERVICES=>DIRECTORY_EXIST to verify the path in your code before calling the download. access denied sy-subrc 15