How To Fix TW404 - DY-DB-ACCESS-ERROR: Internal error in the TW_SET_DATA_VALUES function

SAP Error Message - Details

• Message type: E = Error

• Message class: TW - R3trans - Messages

• Message number: 404

• Message text: DY-DB-ACCESS-ERROR: Internal error in the TW_SET_DATA_VALUES 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 TW404 - DY-DB-ACCESS-ERROR: Internal error in the TW_SET_DATA_VALUES function ?

  The SAP error message TW404, specifically "DY-DB-ACCESS-ERROR: Internal error in the TW_SET_DATA_VALUES function," typically indicates an issue related to database access within the context of the SAP system. This error can arise due to various reasons, including data inconsistencies, issues with the database connection, or problems with the underlying application logic.
  Possible Causes:
  
  Database Connection Issues: There may be a problem with the connection to the database, such as network issues or database server downtime.
  Data Inconsistencies: The data being processed may not conform to the expected format or constraints, leading to access errors.
  Authorization Issues: The user may not have the necessary permissions to perform the operation that triggered the error.
  Corrupted Data: There may be corrupted entries in the database that are causing the function to fail.
  Application Logic Errors: There could be bugs or issues in the custom code or standard SAP code that is being executed.
  
  Solutions:
  
  Check Database Connection: Ensure that the database is up and running and that the connection settings in SAP are correct. You can test the connection using transaction codes like DBACOCKPIT or SM21 for logs.
  Review Authorization: Verify that the user has the necessary authorizations to perform the action that led to the error. Use transaction SU53 to check for authorization issues.
  Data Validation: Check the data being processed for any inconsistencies or violations of constraints. This may involve reviewing the input data or the state of the database.
  Check for Corrupted Data: Use transaction SE11 to check the relevant database tables for any inconsistencies or corrupted entries. You may need to run consistency checks or repair tools if corruption is found.
  Debugging: If you have access to the ABAP code, you can debug the TW_SET_DATA_VALUES function to identify the exact point of failure. This may require the help of a developer.
  SAP Notes: Search the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that resolve known issues.
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP Support for assistance. Provide them with detailed information about the error, including any relevant logs and the context in which it occurred.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SM21 (System Log), ST22 (Dump Analysis), and SE80 (Object Navigator) for troubleshooting.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Documentation: Review SAP documentation related to the specific module or function you are working with, as it may provide insights into common issues and their resolutions.
  
  By following these steps, you should be able to diagnose and potentially resolve the TW404 error in your SAP environment.