Message Class list used by SAP ABAP Program RFKKNRCHECKFRM (Include RFKKNKCHECKFRM)
SAP ABAP Program RFKKNRCHECKFRM (Include RFKKNKCHECKFRM) is using
# Object Type Object Name Object Description Note
     
1 Message Class  >0 Contract A/R and A/P: Reserved message class
2 Message Class  NR Number ranges