How To Fix CM_MRP_BUFFER001 - Field &1 not supported as filter

SAP Error Message - Details

• Message type: E = Error

• Message class: CM_MRP_BUFFER - MRP Buffer Access and Update

• Message number: 001

• Message text: Field &1 not supported as filter

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CM_MRP_BUFFER001 - Field &1 not supported as filter ?

  The SAP error message CM_MRP_BUFFER001, which states "Field &1 not supported as filter," typically occurs in the context of Material Requirements Planning (MRP) when a user attempts to filter data using a field that is not supported for filtering in the MRP buffer or related transactions.
  Cause:
  
  Unsupported Field: The field you are trying to use as a filter in your MRP transaction is not recognized by the system as a valid filter option. This could be due to the field not being part of the MRP data structure or not being relevant for the specific MRP operation you are performing.
  Configuration Issues: There may be configuration settings in the MRP module that do not allow certain fields to be used for filtering.
  Data Model Changes: If there have been recent changes to the data model or updates to the SAP system, certain fields may have been deprecated or altered, leading to this error.
  
  Solution:
  
  Check Field Validity: Verify that the field you are trying to use as a filter is indeed valid for the MRP transaction you are working with. Consult the SAP documentation or help resources to confirm the supported fields.
  Use Alternative Fields: If the field is not supported, consider using alternative fields that are valid for filtering in the MRP context.
  Review Configuration: If you have access to the configuration settings, review the MRP settings to ensure that the fields you want to use are properly configured and supported.
  Consult SAP Notes: Check for any relevant SAP Notes or updates that may address this issue. Sometimes, SAP releases patches or notes that provide solutions for specific error messages.
  Contact SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP support for assistance. They can provide guidance based on the specific version and configuration of your SAP system.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes related to MRP, such as MD01 (MRP Run), MD02 (Single-item, Multi-level Planning), and MD04 (Stock/Requirements List).
  SAP Documentation: Utilize SAP Help Portal or the SAP Community for additional resources and discussions related to MRP and error messages.
  User Forums: Engage with user forums or communities where SAP professionals discuss similar issues and share solutions.
  
  By following these steps, you should be able to identify the cause of the error and implement a suitable solution.