How To Fix FH045 - 'Post auto. only' and 'Recon.acct for acct type' cancel each other out

SAP Error Message - Details

• Message type: E = Error

• Message class: FH - General ledger module messages

• Message number: 045

• Message text: 'Post auto. only' and 'Recon.acct for acct type' cancel each other out

What causes this issue?

The "Reconciliation account for account type" field is used to indicate
a <GL:G/L_account>G/L account</> as a
<GL:reconciliation_account>reconciliation account</> for a particular
<GL:subsidiary_ledger>subsidiary ledger</>. Postings from subsidiary
ledgers are always handled directly by the system. You cannot manually
post items to reconciliation accounts.
The "Post automatically only" field is used to indicate a G/L account
as an account that can only be posted to using account determination
tables. You cannot manually post items directly to these accounts.
These two procedures, however, are mutually exclusive.

System Response

The system will cancel the change.

How to fix this error?

Choose one of the two procedures.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FH045 - 'Post auto. only' and 'Recon.acct for acct type' cancel each other out ?

  The SAP error message FH045, which states "Post auto. only" and "Recon.acct for acct type cancel each other out," typically occurs during the posting of financial transactions in SAP, particularly when dealing with automatic postings in the Financial Accounting (FI) module. This error indicates that there is a mismatch or conflict in the configuration of the reconciliation accounts and the account types involved in the transaction.
  Cause of the Error
  
  
  Reconciliation Account Configuration: The error often arises when the reconciliation account is set up incorrectly. For example, if the account type for the reconciliation account does not match the account type of the transaction being posted, it can lead to this error.
  
  
  Account Type Mismatch: The account type specified in the transaction may not be compatible with the reconciliation account defined in the system. This can happen if the account type is not allowed for automatic postings.
  
  
  Posting Keys: The posting keys used in the transaction may not be configured to allow automatic postings for the specified account type.
  
  
  Document Type Settings: The document type used for the transaction may not be configured to allow postings to the specified reconciliation account.
  
  
  Solution
  To resolve the FH045 error, you can take the following steps:
  
  
  Check Reconciliation Account Settings:
  
  Go to the configuration settings for the reconciliation account in the SAP system.
  Ensure that the account type is correctly defined and matches the account type of the transaction being posted.
  
  
  
  Review Account Type Configuration:
  
  Verify that the account type used in the transaction is allowed for automatic postings.
  Check the configuration of the account type in the SAP system to ensure it is set up correctly.
  
  
  
  Examine Posting Keys:
  
  Review the posting keys used in the transaction. Ensure that they are configured to allow automatic postings for the relevant account types.
  
  
  
  Document Type Configuration:
  
  Check the document type settings to ensure that it allows postings to the reconciliation account in question.
  
  
  
  Consult SAP Notes:
  
  Look for any relevant SAP Notes that may address this specific error. SAP frequently releases updates and notes that provide solutions to known issues.
  
  
  
  Testing:
  
  After making the necessary changes, perform a test transaction to ensure that the error no longer occurs.
  
  
  
  Related Information
  
  Transaction Codes: You may need to use transaction codes such as OB52 (for posting periods), OBY6 (for account types), and FS00 (for G/L account master data) to check and modify the relevant settings.
  Documentation: Refer to SAP documentation or help guides for detailed information on configuring reconciliation accounts and account types.
  Support: If the issue persists after checking the configurations, consider reaching out to your SAP support team or consulting with an SAP FI expert for further assistance.
  
  By following these steps, you should be able to identify and resolve the cause of the FH045 error in your SAP system.