Message Class list used by SAP ABAP Class CL_UPARM_CHAR_REL_SIZE (Characteristic Relationship Exit - Size)
SAP ABAP Class CL_UPARM_CHAR_REL_SIZE (Characteristic Relationship Exit - Size) is using
# Object Type Object Name Object Description Note
     
1 Message Class  UPARM Master Data Maintenance View
2 Message Class  UPARP MAP: BBPT