How To Fix M3128 - Check the data for the purchasing value key

SAP Error Message - Details

• Message type: E = Error

• Message class: M3 - Material Master

• Message number: 128

• Message text: Check the data for the purchasing value key

What causes this issue?

By entering a purchasing value key, entries were made in the reminder
field and tolerance field automatically.

How to fix this error?

If the values are incorrect, you must choose another purchasing value
key.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message M3128 - Check the data for the purchasing value key ?

  The SAP error message M3128, which states "Check the data for the purchasing value key," typically occurs in the context of materials management, particularly when dealing with purchasing documents or material master data. This error indicates that there is an issue with the purchasing value key assigned to a material or vendor.
  Causes of Error M3128
  
  
  Missing or Incorrect Purchasing Value Key: The purchasing value key may not be defined for the material or vendor in question. This key is essential for determining how purchasing data is processed.
  
  
  Inconsistent Data: There may be inconsistencies in the data related to the purchasing value key, such as incorrect settings in the material master or vendor master records.
  
  
  Configuration Issues: The configuration settings in the SAP system for purchasing may not be set up correctly, leading to this error.
  
  
  Data Entry Errors: Manual data entry errors when creating or updating material or vendor records can lead to this issue.
  
  
  Solutions to Error M3128
  
  
  Check Material Master Data:
  
  Go to the material master record (transaction code MM03) and verify that the purchasing value key is correctly assigned.
  Ensure that the purchasing data view is maintained properly.
  
  
  
  Check Vendor Master Data:
  
  Use transaction code XK03 to check the vendor master data and ensure that the purchasing value key is correctly assigned.
  
  
  
  Review Configuration Settings:
  
  Check the configuration settings for purchasing value keys in the SAP system. This can be done through transaction code SPRO, navigating to the relevant configuration path for purchasing.
  
  
  
  Correct Data Entry:
  
  If the error is due to incorrect data entry, correct the relevant fields in the material or vendor master records.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for specific details on the purchasing value key and its implications.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information
  
  Purchasing Value Key: This key is used to determine how purchasing information is processed in the system. It can influence pricing, conditions, and other purchasing-related functionalities.
  Material Master: The material master contains all the information related to a material, including purchasing data, sales data, and inventory data.
  Vendor Master: The vendor master contains all the information related to a vendor, including purchasing data, payment terms, and contact information.
  
  By following these steps, you should be able to identify and resolve the issue related to the M3128 error message in SAP.