Message Number list used by SAP ABAP Class CX_PXN_READ_ONLY (Read only)
SAP ABAP Class CX_PXN_READ_ONLY (Read only) is using
# Object Type Object Name Object Description Note
     
1 Message Number  SPXN - 011 Read only data, cannot be changed
2 Message Number  SPXN - 051 Elements and Attributes of Enhancements must be optional
3 Message Number  SPXN - 072 Mapping is used in Consumer Mapping &1, this change is not possible
4 Message Number  SPXN - 179 Object must be maintained in it's own context
5 Message Number  SPXN - 198 Property is defined by external schema