Message Number list used by SAP ABAP Class CL_BS_BP_GUIBB_RELATION (GUIBB for BP relation detail)
SAP ABAP Class CL_BS_BP_GUIBB_RELATION (GUIBB for BP relation detail) is using
# Object Type Object Name Object Description Note
     
1 Message Number  R1 - 213 Enter a business partner number
2 Message Number  R1 - 776 & cannot be created between identical business partners
3 Message Number  R1 - 779 &2 already exists; further interval not possible &3 &4