This document lists various error codes encountered in SAP systems, including CALL_FUNCTION_NOT_FOUND for errors in RFCs, SYSTEM_CANCELED when a program is manually terminated, and TSV_TNEW_BLOCKS_NO_ROLL_MEMORY relating to exceeding memory quotas. It also includes errors for files not being found, already being open, exporting too much data, timeouts, lacking shared memory, out of date snapshots, core dumps, lacking authority, insufficient task storage, raised exceptions, incorrect data formats, insufficient memory for sorting, roll errors, lacking paging space, syntax errors, and missing load programs.