Message Number list used by SAP ABAP Class CL_APC_MANAGER (ABAP Push Channel (APC) WebSocket (WS) framework manager)
SAP ABAP Class CL_APC_MANAGER (ABAP Push Channel (APC) WebSocket (WS) framework manager) is using
# Object Type Object Name Object Description Note
     
1 Message Number  SAPC_MESSAGE - 011 APC Application &1 does not exist (in activated mode).
2 Message Number  SAPC_MESSAGE - 020 WebSocket subprotocol &1 is not supported !