How To Fix 1I183 - Transaction type &1 for posting category 86 needs unique GL operation

SAP Error Message - Details

• Message type: E = Error

• Message class: 1I - BCA: General Ledger Integration

• Message number: 183

• Message text: Transaction type &1 for posting category 86 needs unique GL operation

What causes this issue?

There is no unique assignment between the transaction type of the
payment transaction (loss of value adjustment for receivables, mostly
8080) for posting category 86 and the general ledger operation. An
incorrect assignment is, for example, as follows:
Transaction type,,Description of transaction type,,GL Operation,,General
ledger operation description
0150,,Bank transfer,,0001,,Payments
8080,,Loss on IVA receivable,,0001,,Payments
In the general ledger, the bank transfer would be interpreted as a loss
on IVA receivables.

How to fix this error?

For business purposes, there must be (loss on IVA receivables, mostly
8080) of posting category 86, there must be a unique relationship
between this transaction type and the general ledger operation for the
transaction type.
A correct assignment is, for example, as follows:
Transaction type,,Description transaction type,,GL Operation,,General
ledger operation description
0150,,Bank transfer,,0001,,Payments
8080,,Loss on IVA receivable,,8080,,Loss on IVA receivable

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 1I183 - Transaction type &1 for posting category 86 needs unique GL operation ?

  The SAP error message 1I183 indicates that there is an issue with the transaction type for posting category 86, which requires a unique General Ledger (GL) operation. This error typically arises in the context of financial postings, particularly when dealing with specific transaction types that are not properly configured or when there are conflicting entries.
  Cause:
  
  Duplicate GL Operations: The error usually occurs when there are multiple GL operations defined for the same transaction type, which is not allowed for posting category 86.
  Configuration Issues: The configuration settings in the Financial Accounting (FI) module may not be set up correctly, leading to conflicts in how transactions are processed.
  Transaction Type Settings: The transaction type being used may not be properly defined or may not have a unique GL account assigned to it.
  
  Solution:
  
  
  Check Configuration:
  
  Go to the configuration settings for the transaction types in the SAP system. You can do this by navigating to SPRO > Financial Accounting > General Ledger > Master Data > G/L Accounts > Define Account Groups.
  Ensure that the transaction type you are using is correctly configured and that it has a unique GL operation assigned.
  
  
  
  Review Transaction Type:
  
  Verify the transaction type being used in the posting. Ensure that it is appropriate for the posting category 86 and that it does not conflict with other transaction types.
  You can check the transaction type settings in SPRO > Financial Accounting > General Ledger > Document Entry > Document Types.
  
  
  
  Check for Duplicates:
  
  Look for any duplicate entries in the GL account assignments for the transaction type. Ensure that each transaction type has a unique GL account associated with it.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources related to posting categories and transaction types to ensure compliance with the required configurations.
  
  
  
  Testing:
  
  After making any changes, perform a test posting to ensure that the error has been resolved.
  
  
  
  Related Information:
  
  Posting Category 86: This category is typically used for specific types of postings, such as asset transactions or other specialized financial entries. Understanding the nature of this posting category can help in troubleshooting.
  Transaction Types: Transaction types in SAP define how financial transactions are processed and can affect how GL accounts are updated.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance on configuration.
  
  If the issue persists after following these steps, it may be beneficial to consult with an SAP FI consultant or your internal SAP support team for further assistance.