How To Fix MD668 - Enter vendor

SAP Error Message - Details

• Message type: E = Error

• Message class: MD - Material Requirements Planning (MRP)

• Message number: 668

• Message text: Enter vendor

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MD668 - Enter vendor ?

  The SAP error message MD668 "Enter vendor" typically occurs in the context of Material Requirements Planning (MRP) or when dealing with purchasing documents. This error indicates that a vendor must be specified for the material or purchasing document you are trying to process.
  Cause:
  
  Missing Vendor Information: The most common cause of this error is that the vendor field is left blank when it is required for the transaction you are attempting to execute.
  Incorrect Document Type: The document type you are using may require a vendor to be specified, and it is not being provided.
  Configuration Issues: There may be configuration settings in the system that require a vendor to be entered for certain materials or purchasing processes.
  
  Solution:
  
  
  Enter Vendor Information: 
  
  Go back to the transaction where the error occurred and ensure that you have entered a valid vendor in the appropriate field.
  If you are creating a purchase order, ensure that the vendor is specified in the vendor field.
  
  
  
  Check Material Master Data:
  
  If the material is linked to a specific vendor, ensure that the vendor is maintained in the material master data.
  You can check this by navigating to the material master record and verifying the purchasing data.
  
  
  
  Review Document Type:
  
  Ensure that the document type you are using is appropriate for the transaction and that it requires a vendor to be specified.
  
  
  
  Consult Configuration Settings:
  
  If you have access to configuration settings, check if there are any mandatory fields set for the transaction type you are using.
  You may need to consult with your SAP administrator or functional consultant to review the configuration.
  
  
  
  User Training:
  
  Ensure that users are trained on the importance of entering vendor information in relevant transactions to avoid this error in the future.
  
  
  
  Related Information:
  
  Transaction Codes: This error can occur in various transaction codes related to purchasing and MRP, such as ME21N (Create Purchase Order), ME51N (Create Purchase Requisition), or MD01 (MRP Run).
  SAP Notes: Check SAP Notes for any specific patches or updates related to this error message, as there may be known issues or fixes provided by SAP.
  Documentation: Refer to SAP documentation or help files for more detailed information on the specific transaction you are working with and the requirements for vendor information.
  
  If the issue persists after trying the above solutions, it may be beneficial to reach out to your SAP support team for further assistance.