How To Fix GC303 - Contra items of items & and & are not compatible

SAP Error Message - Details

• Message type: E = Error

• Message class: GC - Error Messages for Consolidation/Extended General Ledger

• Message number: 303

• Message text: Contra items of items & and & are not compatible

What causes this issue?

The FS item &V1& was not created with contra item &V2&, although the FS
item &V2& was defined with contra item &V1&.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Check the definitions of both financial statement items.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GC303 - Contra items of items & and & are not compatible ?

  The SAP error message GC303 indicates that there is a compatibility issue with the contra items in a transaction. This typically occurs in the context of financial accounting, particularly when dealing with journal entries or postings that involve multiple line items. The error suggests that the contra items (debit and credit entries) do not match in terms of their characteristics, which can include account types, currencies, or other relevant attributes.
  Causes of Error GC303
  
  
  Incompatible Account Types: The accounts involved in the transaction may not be compatible. For example, you might be trying to post to a revenue account and a cost account in a way that is not allowed.
  
  
  Currency Mismatch: If the line items are in different currencies and the system is not set up to handle this, it can lead to incompatibility.
  
  
  Different Document Types: The document types of the line items may not be compatible with each other.
  
  
  Missing or Incorrect Configuration: There may be configuration issues in the financial accounting settings that prevent the posting of certain combinations of accounts.
  
  
  Incorrect Posting Keys: The posting keys used for the line items may not be appropriate for the accounts being used.
  
  
  Solutions to Error GC303
  
  
  Check Account Compatibility: Review the accounts involved in the transaction to ensure they are compatible. Make sure that you are using the correct account types for the transaction.
  
  
  Verify Currencies: Ensure that all line items are in the same currency or that the system is configured to handle multiple currencies correctly.
  
  
  Review Document Types: Check the document types of the line items to ensure they are compatible with each other.
  
  
  Configuration Review: Consult with your SAP configuration team to review the settings in the financial accounting module. Ensure that the necessary configurations are in place to allow for the posting of the transaction.
  
  
  Check Posting Keys: Verify that the posting keys used for the line items are appropriate for the accounts being used. Adjust them if necessary.
  
  
  Consult SAP Notes: Look for any relevant SAP Notes that may address this specific error. SAP frequently updates its documentation and may have provided solutions or workarounds.
  
  
  Test in a Sandbox Environment: If possible, replicate the issue in a test or sandbox environment to better understand the cause and test potential solutions without affecting production data.
  
  
  Related Information
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as FB50 (G/L Account Document Entry) or F-02 (General Posting) to understand where the error is occurring.
  SAP Help Portal: Utilize the SAP Help Portal for documentation related to financial accounting and error messages.
  User Forums: Engage with SAP user communities or forums where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the GC303 error and implement a solution to resolve it. If the issue persists, consider reaching out to SAP support for further assistance.