How To Fix TW101 - Internal SQL error addressing object directory (TADIR)

SAP Error Message - Details

• Message type: E = Error

• Message class: TW - R3trans - Messages

• Message number: 101

• Message text: Internal SQL error addressing object directory (TADIR)

What causes this issue?

The database structure of the object directory TADIR is not consistent
with the ABAP Dictionary Structure. This is an internal error.

System Response

This message is a warning. R3trans continues to execute. However, there
is no protection for the original objects.

How to fix this error?

Contact the SAP Hotline.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TW101 - Internal SQL error addressing object directory (TADIR) ?

  The SAP error message TW101, which indicates an "Internal SQL error addressing object directory (TADIR)," typically arises when there is an issue with the database access or integrity related to the TADIR table. The TADIR table is crucial in SAP as it stores information about the objects in the SAP system, including their types and names.
  Causes of TW101 Error
  
  Database Corruption: There may be corruption in the database that affects the TADIR table or its indexes.
  Inconsistent Data: Inconsistencies in the data stored in the TADIR table can lead to SQL errors.
  Database Locking Issues: If the database is locked or if there are issues with concurrent access, it may lead to this error.
  Transport Issues: Problems during transport requests that affect the TADIR entries can also trigger this error.
  Insufficient Authorizations: Lack of proper authorizations to access the TADIR table can lead to SQL errors.
  
  Solutions
  
  
  Check Database Integrity:
  
  Use transaction codes like DB02 or DBACOCKPIT to check the health of the database.
  Run database consistency checks to identify and fix any corruption.
  
  
  
  Rebuild Indexes:
  
  If the issue is related to indexes, you may need to rebuild the indexes on the TADIR table. This can often resolve internal SQL errors.
  
  
  
  Check for Locks:
  
  Use transaction SM12 to check for any locks on the database that might be causing the issue. If there are unnecessary locks, they can be released.
  
  
  
  Review Transport Requests:
  
  If the error occurred after a transport, check the transport logs for any errors or inconsistencies. You may need to re-import the transport or correct any issues.
  
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to access the TADIR table. You can check this using transaction SU53 or SUIM.
  
  
  
  Database Administration:
  
  If the problem persists, consult with your database administrator to perform deeper diagnostics and repairs.
  
  
  
  SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that can resolve the issue.
  
  
  
  System Restart:
  
  In some cases, a system restart may help clear temporary issues that could be causing the error.
  
  
  
  Related Information
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE80 (Object Navigator), and SE38 (ABAP Editor) for further investigation.
  SAP Support: If the issue cannot be resolved internally, consider reaching out to SAP Support for assistance, providing them with detailed logs and error messages.
  Documentation: Review SAP documentation and community forums for additional insights and similar cases.
  
  By following these steps, you should be able to diagnose and potentially resolve the TW101 error in your SAP system.