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

TW400 - Overview

• 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.

TW400 - Details

• 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