Vendor Down Payment issue

Dear Expert

            While doing F-48 Vendor Down Payment am getting below Error

Customer 450822 is not defined in company code 1000

Message no. F5102

Diagnosis

No master record was created in company code "1000" for customer number "450822".

System Response

System error.

Procedure

Maintain the customer master record "450822" in company code "1000" or correct the account number.

Regards

Ajeesh.s