How To Fix M7218 - Selection criterion is not unique. Check it

SAP Error Message - Details

• Message type: E = Error

• Message class: M7 - Inventory Management and Physical Inventory

• Message number: 218

• Message text: Selection criterion is not unique. Check it

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message M7218 - Selection criterion is not unique. Check it ?

  The SAP error message M7218, which states "Selection criterion is not unique. Check it," typically occurs in the context of inventory management or material management when a selection criterion used in a report or transaction does not uniquely identify a record. This can happen in various scenarios, such as when trying to display or process material documents, stock levels, or other related data.
  Cause:
  
  Non-Unique Selection Criteria: The selection criteria you have entered (such as material number, plant, storage location, etc.) may match multiple records in the database, leading to ambiguity.
  Missing or Incorrect Filters: You may not have provided enough filters to narrow down the selection to a single record.
  Data Integrity Issues: There may be duplicate entries in the database that are causing the selection criteria to return multiple results.
  
  Solution:
  
  Refine Selection Criteria: Review the selection criteria you are using and add more specific filters to ensure that the selection is unique. For example, if you are selecting by material number, ensure you also specify the plant or storage location.
  Check for Duplicates: Investigate the database for any duplicate entries that may be causing the issue. You can use transaction codes like SE16 or SE11 to check the relevant tables for duplicates.
  Use Additional Fields: If applicable, include additional fields in your selection criteria to help narrow down the results.
  Consult Documentation: Refer to SAP documentation or help resources for the specific transaction or report you are using to understand the required selection criteria better.
  Contact Support: If the issue persists, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you might be using transaction codes like MB51 (Material Document List), MMBE (Stock Overview), or others related to inventory management.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  User Authorization: Ensure that you have the necessary authorizations to access the data you are trying to retrieve, as this can sometimes lead to unexpected behavior.
  
  By following these steps, you should be able to resolve the M7218 error and successfully execute your desired transaction or report in SAP.