How To Fix MM134 - A will be entered where you have not specified a preference indicator

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 134

• Message text: A will be entered where you have not specified a preference indicator

What causes this issue?

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

System Response

The system will automatically enter "A" as the preference 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 MM134 - A will be entered where you have not specified a preference indicator ?

  The SAP error message MM134 typically occurs in the Materials Management (MM) module when you are trying to create or change a material master record, and the system requires a preference indicator for a specific field, but none has been specified. This error is often related to the handling of materials that have multiple sources of supply or procurement types.
  Cause:
  The error message MM134 indicates that the system expects a preference indicator to be specified for a material, but it has not been provided. This can happen in scenarios such as:
  
  Material Master Data: When creating or updating a material master record, especially in the purchasing or procurement views, the system may require a preference indicator to determine how to prioritize suppliers or procurement sources.
  Configuration Settings: The configuration settings in the system may require a preference indicator for certain materials or purchasing conditions, and if this is not set, the error will occur.
  
  Solution:
  To resolve the MM134 error, you can take the following steps:
  
  
  Check Material Master Data:
  
  Go to the material master record in transaction MM02 (Change Material) or MM01 (Create Material).
  Navigate to the relevant views (e.g., Purchasing, MRP) and check if there is a field for the preference indicator.
  If the field is empty, enter the appropriate preference indicator based on your business requirements.
  
  
  
  Review Configuration:
  
  If you are unsure about the preference indicators, consult with your SAP MM configuration team or refer to the configuration documentation.
  Check the settings in the customizing transaction SPRO under Materials Management > Purchasing > Purchase Order > Define Source List and Source List Types to see if preference indicators are required.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help files related to material master data and preference indicators to understand the implications of the settings.
  
  
  
  User Training:
  
  Ensure that users involved in material master data management are trained on the importance of preference indicators and how to set them correctly.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  MM01 - Create Material
  MM02 - Change Material
  MM03 - Display Material
  ME01 - Maintain Source List
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues or enhancements related to this error message.
  User Exits and BAdIs: If your organization has custom logic implemented, check if there are any user exits or BAdIs that might affect the handling of preference indicators.
  
  By following these steps, you should be able to resolve the MM134 error and ensure that the necessary preference indicators are specified in your material master records.