How To Fix GLE_MCA106 - Posting key & is not defined

SAP Error Message - Details

• Message type: E = Error

• Message class: GLE_MCA - Multicurrency Accounting

• Message number: 106

• Message text: Posting key & is not defined

Self-Explanatory Message

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To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message GLE_MCA106 - Posting key & is not defined ?

  The SAP error message GLE_MCA106, which states "Posting key & is not defined," typically occurs when you are trying to post a financial transaction using a posting key that is not recognized or defined in the system. Posting keys are essential in SAP as they determine the type of transaction being posted (e.g., debit or credit) and the account types involved.
  Cause:
  
  Undefined Posting Key: The posting key you are trying to use is not defined in the system. This could happen if the posting key was deleted or if you are using a custom posting key that has not been properly configured.
  Incorrect Configuration: The posting key may not be configured for the specific transaction type or document type you are trying to post.
  User Authorization: The user may not have the necessary authorizations to use the specific posting key.
  System Upgrade or Changes: If there have been recent changes or upgrades to the SAP system, it may have affected the configuration of posting keys.
  
  Solution:
  
  
  Check Posting Key Configuration:
  
  Go to the transaction code OB13 (for defining posting keys) and verify if the posting key in question is defined.
  If it is not defined, you may need to create it or consult with your SAP administrator to ensure it is set up correctly.
  
  
  
  Review Document Type Configuration:
  
  Check the configuration for the document type you are using to ensure that the posting key is allowed for that document type. This can be done in transaction code OBY6.
  
  
  
  User Authorizations:
  
  Ensure that the user has the necessary authorizations to use the posting key. This can be checked in transaction code SU53 after the error occurs to see if there are any authorization issues.
  
  
  
  Consult SAP Notes:
  
  Check for any relevant SAP Notes that may address this issue. Sometimes, specific bugs or issues are documented in SAP Notes, and applying a relevant note may resolve the problem.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Posting Keys: Posting keys are defined in the SAP system to control the type of posting (debit or credit) and the account types (e.g., asset, liability, expense, revenue).
  Transaction Codes: Familiarize yourself with transaction codes like OB13 (for posting key configuration) and OBY6 (for document type configuration) to troubleshoot effectively.
  Authorization Issues: Understanding user roles and authorizations in SAP can help prevent similar issues in the future.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.