How To Fix MR064 - Supplier & unknown

SAP Error Message - Details

• 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 code XK03 or MK03) and verify that the supplier exists and is active.
  Ensure that all necessary information is complete, including the vendor number, name, and address.
  
  
  
  Verify Vendor Number:
  
  Double-check the vendor number entered in the invoice against the supplier master data to ensure it is correct.
  
  
  
  Activate or Unblock Vendor:
  
  If the vendor is inactive or blocked, you may need to reactivate or unblock the vendor (transaction code XK02 or MK02).
  
  
  
  Correct Data Entry:
  
  Review the invoice entry for any typographical errors and correct them as necessary.
  
  
  
  Consult Configuration:
  
  If the issue persists, consult with your SAP configuration team to ensure that the system is set up correctly to recognize suppliers.
  
  
  
  Check for Updates:
  
  Ensure that your SAP system is up to date with the latest patches and updates, as sometimes bugs can cause unexpected behavior.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  XK03: Display Vendor
  XK02: Change Vendor
  MR8M: Cancel Invoice Document
  MIRO: Invoice Verification
  
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the MR064 error message.
  
  
  Documentation: Refer to SAP documentation for invoice verification processes and supplier management for further insights.
  
  
  If the problem continues after following these steps, it may be beneficial to engage your SAP support team or consult with SAP support for more in-depth troubleshooting.