How To Fix TW400 - DY-DB-ACCESS-ERROR: Internal error in the CHECK-DATA function

SAP Error Message - Details

• Message type: E = Error

• Message class: TW - R3trans - Messages

• Message number: 400

• Message text: DY-DB-ACCESS-ERROR: Internal error in the CHECK-DATA function

What causes this issue?

An internal error occurred in the specified function in the library
twdbacc.

System Response

The action was terminated.

How to fix this error?

Inform SAP of this error, and the actions that led to it.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TW400 - DY-DB-ACCESS-ERROR: Internal error in the CHECK-DATA function ?

  The SAP error message TW400 DY-DB-ACCESS-ERROR: Internal error in the CHECK-DATA function typically indicates that there is an issue with database access or data integrity within the SAP system. This error can arise from various underlying causes, and addressing it often requires a systematic approach.
  Possible Causes:
  
  Database Corruption: There may be corruption in the database tables that the CHECK-DATA function is trying to access.
  Data Inconsistencies: Inconsistent or invalid data entries in the database can trigger this error.
  Authorization Issues: The user may not have the necessary authorizations to access certain data or perform specific operations.
  System Configuration Issues: Incorrect configuration settings in the SAP system can lead to access errors.
  Software Bugs: There may be bugs in the SAP software or specific patches that need to be applied.
  
  Solutions:
  
  
  Check Database Integrity:
  
  Use transaction codes like DB02 or DBACOCKPIT to check the health of the database.
  Run consistency checks on the relevant database tables.
  
  
  
  Review Data Entries:
  
  Identify and correct any inconsistencies or invalid entries in the database.
  Use transaction codes like SE16 or SE11 to inspect the data in the relevant tables.
  
  
  
  Authorization Checks:
  
  Ensure that the user encountering the error has the necessary authorizations to access the data.
  Review roles and profiles assigned to the user.
  
  
  
  System Configuration:
  
  Review the configuration settings related to the database and the specific application area where the error occurs.
  Check for any recent changes in configuration that might have led to the issue.
  
  
  
  Apply Patches and Updates:
  
  Check for any available SAP Notes or patches that address this specific error.
  Apply relevant updates to the SAP system to fix known bugs.
  
  
  
  Consult SAP Support:
  
  If the issue persists, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including transaction codes, user actions leading to the error, and any relevant logs.
  
  
  
  Related Information:
  
  SAP Notes: Search for SAP Notes related to TW400 or DY-DB-ACCESS-ERROR in the SAP Support Portal. These notes may provide specific guidance or patches.
  Transaction Codes: Familiarize yourself with transaction codes like ST22 (Dump Analysis) and SM21 (System Log) to gather more information about the error context.
  System Logs: Review system logs for any additional error messages or warnings that may provide clues about the underlying issue.
  
  By following these steps, you should be able to diagnose and resolve the TW400 DY-DB-ACCESS-ERROR in your SAP system.