How To Fix MM131 - A will be entered where you have not specified a supplier decl. indic.

SAP Error Message - Details

• Message type: E = Error

• Message class: MM - Messages for material master maintenance and Customizing

• Message number: 131

• Message text: A will be entered where you have not specified a supplier decl. indic.

What causes this issue?

You have maintained customs tariff preference data, but have not
specified a supplier declaration indicator for each customs area.

System Response

The system will automatically enter "A" as the supplier declaration
indicator.

How to fix this error?

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MM131 - A will be entered where you have not specified a supplier decl. indic. ?

  The SAP error message MM131 indicates that a supplier declaration indicator is required but has not been specified in the relevant transaction. This error typically occurs in the context of materials management (MM) when dealing with procurement processes, particularly when handling supplier data and compliance with regulations.
  
  Cause:
  The error arises when you attempt to create or modify a purchasing document (like a purchase order or a contract) without specifying a supplier declaration indicator. This indicator is necessary for compliance with legal requirements, such as those related to customs or trade regulations, especially in regions where supplier declarations are mandatory.
  
  Solution:
  To resolve the MM131 error, you can follow these steps:
  
  
  Check Supplier Master Data:
  
  Go to the supplier master data (transaction code XK03 for display).
  Ensure that the supplier declaration indicator is set correctly for the supplier in question. You can do this by navigating to the relevant purchasing view and checking the "Supplier Declaration" field.
  
  
  
  Update