Message Number list used by SAP ABAP Class CX_C2S_NOT_IN_CHANGE_CONTEXT (Data not in required change context)
SAP ABAP Class CX_C2S_NOT_IN_CHANGE_CONTEXT (Data not in required change context) is using
# Object Type Object Name Object Description Note
     
1 Message Number  C2_EXCEPTION - 311 Data record is already assigned to change context &1