How To Fix >5177 - Reconciliation key &1 is an aggregation key - posting not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: >5 -

• Message number: 177

• Message text: Reconciliation key &1 is an aggregation key - posting not allowed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message >5177 - Reconciliation key &1 is an aggregation key - posting not allowed ?

  The SAP error message 5177 indicates that you are trying to post to a reconciliation key that is defined as an aggregation key. In SAP, reconciliation keys are used in the context of financial accounting to ensure that the balances in sub-ledgers match the balances in the general ledger. An aggregation key, on the other hand, is used to summarize data and is not intended for direct postings.
  Cause:
  The error occurs when:
  
  You attempt to post a transaction to a reconciliation account that is set up as an aggregation key.
  The system is designed to prevent postings to aggregation keys to maintain data integrity and ensure that financial reports are accurate.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the Account Configuration:
  
  Go to the account configuration in the SAP system (Transaction Code: FS00).
  Verify if the account you are trying to post to is indeed set as an aggregation key. If it is, you will need to change your posting strategy.
  
  
  
  Use the Correct Account:
  
  Instead of posting to the aggregation key, identify the correct reconciliation account that is not set as an aggregation key. This account should allow postings.
  
  
  
  Adjust the Posting Logic:
  
  If you are using a program or a custom transaction to post, ensure that the logic is correctly identifying the appropriate accounts for posting.
  
  
  
  Consult with Your SAP Administrator:
  
  If you are unsure about the account settings or how to proceed, consult with your SAP administrator or financial team. They can provide guidance on the correct accounts to use and any necessary changes to the configuration.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  FS00: General Ledger Account Master Data
  OB52: Open and Close Posting Periods
  
  
  Documentation: Review SAP documentation related to financial accounting and reconciliation accounts for a deeper understanding of how these accounts function within the system.
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or updates related to this error message.
  
  By following these steps, you should be able to resolve the error and successfully post your transactions in SAP.