No master record exists for supplier

[GreatGajanan]

Hi folks, I created BP (000000, FLVN00, FLVN01) all criteria entered and succeesfully received BP number.
However When I was trying to create PO It showing error as  "No master record exists for supplier for xxxxxx". error message no- 06101. 
Please advise me how to resolve this issue.
MM (Materials Management) SAP S/4HANA business partner 

[rsnit]

hello, have you checked out 3335437 - Central Contract distribution uses incorrect supplier number even if MDG mapping was configured ? br

[GreatGajanan]

Screen shot added here for BP and PO screen,  error is showing as below, kindly help. @jagdeepsingh83 

[GreatGajanan]

Hi thanks for reply.
I am new in SAP, Can you please elaborate in details pls. if possible send the path to check the error and resolve it. @rsnit 

[rsnit]

hi, sap note says the following: Make sure you maintain the key mapping for Business Object Type Supplier in transaction MDG_KM_MAINTAIN. just check the transaction br