Bulk update of payment term in Vendor master data

Dear All,

Request you to please help me in a case. I have 1055 vendors whose payment terms are to be change in SAP. I am doing this through T-Code - MASS. But even after changing it through MASS t-code. It is not changing when checked manually or through vendor master data.

Request you to please help me in this case

Further requesting, Neeraj Jain Sir & Lakshmipathi Ganesan Sir to please provide a solution if possible