How To Fix MR064 - Supplier & unknown

MR064 - Overview

• Message type: E = Error

• Message class: MR - Stock overview for generic materials

• Message number: 064

• Message text: Supplier & unknown

What causes this issue?

You have entered a vendor that does not exist in the system.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Check whether your entry is correct, or maintain the missing vendor
master data.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MR064 - Supplier & unknown ?

  The SAP error message MR064 typically indicates an issue related to the invoice verification process, specifically when the system cannot find a valid supplier for the invoice being processed. The message "Supplier & unknown" suggests that the system is unable to identify the supplier associated with the invoice.
  
  Cause:
  
  Missing Supplier Master Data: The supplier may not be set up in the system, or the supplier master data may be incomplete or incorrect.
  Incorrect Vendor Number: The vendor number entered in the invoice may be incorrect or not exist in the system.
  Inactive Vendor: The vendor may be inactive or blocked in the system, preventing any transactions from being processed.
  Data Entry Errors: There may be typographical errors in the vendor number or other related fields during invoice entry.
  
  Configuration Issues: There could be configuration issues in the system that prevent the proper identification of the supplier.
  
  
  Solution:
  
  
  Check Supplier Master Data:
  
  Go to the supplier master data (transaction