How To Fix F4307 - System error: Table T020 incorrectly maintained &

SAP Error Message - Details

• Message type: E = Error

• Message class: F4 - Line items/balances/configuration

• Message number: 307

• Message text: System error: Table T020 incorrectly maintained &

What causes this issue?

There is an incorrect entry in the control table for the flow of
transactions in the Financial Accounting (FI) area.
This table is of the 'S' type (system table) and is maintained by SAP
only.

System Response

The processing cannot be continued.

How to fix this error?

There is probably an error in the delivery system or with the release
changeover. Contact SAP. You can then correct the incorrect entry
yourself using the the corresponding table maintenance authorization.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message F4307 - System error: Table T020 incorrectly maintained & ?

  The SAP error message F4307, which states "System error: Table T020 incorrectly maintained," typically indicates an issue with the configuration of the table T020, which is related to the assignment of company codes to the corresponding chart of accounts in the SAP system. This error can occur during various financial transactions, particularly when the system is unable to find the appropriate chart of accounts for a given company code.
  Causes:
  
  Incorrect Configuration: The table T020 may not be properly maintained, meaning that the mapping between company codes and chart of accounts is incorrect or missing.
  Missing Entries: There may be missing entries in the T020 table for the company code you are trying to use.
  Data Inconsistencies: There could be inconsistencies or corruption in the data related to the chart of accounts or company codes.
  Transport Issues: If changes were recently transported from a development environment to production, there may have been issues during the transport process that led to incomplete or incorrect data.
  
  Solutions:
  
  
  Check Table T020: Use transaction code SE11 (Data Dictionary) to check the entries in table T020. Ensure that the company code you are working with is correctly assigned to a valid chart of accounts.
  
  You can also use transaction code SE16N to view the contents of the table.
  
  
  
  Maintain Table Entries: If you find that the entries are missing or incorrect, you can maintain the table using transaction code OX15 (for maintaining company codes) or OX19 (for maintaining chart of accounts).
  
  Ensure that the company code is assigned to the correct chart of accounts.
  
  
  
  Check for Transport Issues: If the issue arose after a transport, check the transport logs for any errors or warnings that might indicate problems with the data transfer.
  
  
  Consult SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  
  
  System Restart: In some cases, a system restart may help resolve temporary inconsistencies.
  
  
  Contact SAP Support: If the issue persists after checking and maintaining the table, consider reaching out to SAP Support for further assistance.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SE11, SE16N, OX15, and OX19 for managing and troubleshooting table entries.
  Documentation: Review SAP documentation related to financial accounting configuration, particularly the sections on chart of accounts and company code settings.
  User Roles: Ensure that you have the necessary authorizations to view and maintain the relevant tables and configurations.
  
  By following these steps, you should be able to identify and resolve the issue related to the F4307 error message in SAP.