How To Fix M1086 - FM account assignment differs from document &1 &2

SAP Error Message - Details

• Message type: E = Error

• Message class: M1 - Internal RW Documents

• Message number: 086

• Message text: FM account assignment differs from document &1 &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message M1086 - FM account assignment differs from document &1 &2 ?

  The SAP error message M1086, which states "FM account assignment differs from document &1 &2," typically occurs in the context of Funds Management (FM) when there is a mismatch between the account assignment in the document and the account assignment in the Funds Management system. This error can arise during various transactions, such as posting invoices, creating purchase orders, or processing payments.
  Cause:
  The error is usually caused by one of the following reasons:
  
  Inconsistent Account Assignment: The account assignment in the financial document does not match the account assignment in the Funds Management (FM) document. This can happen if the cost center, internal order, or other account assignment elements are not aligned.
  Incorrect Configuration: There may be configuration issues in the FM settings that lead to discrepancies in how account assignments are processed.
  Document Type Issues: The document type used may not be compatible with the FM account assignment rules.
  Missing or Incorrect Master Data: The master data for the cost centers, internal orders, or other relevant entities may be incomplete or incorrect.
  
  Solution:
  To resolve the M1086 error, you can take the following steps:
  
  Check Account Assignments: Review the account assignments in both the financial document and the FM document. Ensure that they match and are correctly configured.
  Verify Configuration: Check the configuration settings in the Funds Management module to ensure that they are set up correctly. This includes verifying the settings for account assignment elements.
  Review Document Types: Ensure that the document type being used is appropriate for the transaction and is compatible with FM account assignments.
  Correct Master Data: Ensure that all relevant master data (cost centers, internal orders, etc.) is complete and accurate. Update any incorrect or missing information.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the error and its resolution.
  Test in a Development Environment: If possible, replicate the issue in a development or test environment to identify the root cause without affecting production data.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like FB03 (Display Document), FBL1N (Vendor Line Items), or FBL3N (G/L Account Line Items) to review the documents involved.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  User Roles and Authorizations: Ensure that the user has the necessary roles and authorizations to perform the transaction without restrictions.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in Funds Management for further assistance.