How To Fix TW401 - DY-DB-ACCESS-ERROR: Internal error in the NT2FIELDS function

SAP Error Message - Details

• Message type: E = Error

• Message class: TW - R3trans - Messages

• Message number: 401

• Message text: DY-DB-ACCESS-ERROR: Internal error in the NT2FIELDS 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 TW401 - DY-DB-ACCESS-ERROR: Internal error in the NT2FIELDS function ?

  The SAP error message TW401, specifically the "DY-DB-ACCESS-ERROR: Internal error in the NT2FIELDS function," typically indicates an issue related to database access or data retrieval within the SAP system. This error can arise from various underlying causes, and addressing it may require a systematic approach.
  Possible Causes:
  
  Database Connectivity Issues: There may be problems with the connection between the SAP application and the database.
  Data Corruption: The data being accessed may be corrupted or inconsistent, leading to errors during retrieval.
  Configuration Issues: Incorrect configuration settings in the SAP system or database can lead to access errors.
  Authorization Problems: The user may not have the necessary permissions to access the data or execute the function.
  Software Bugs: There may be bugs in the SAP software or the specific version you are using that lead to this error.
  
  Solutions:
  
  
  Check Database Connectivity:
  
  Ensure that the database is up and running.
  Verify the connection settings in the SAP system to ensure they are correct.
  
  
  
  Review Data Integrity:
  
  Check for any inconsistencies or corruption in the database tables involved.
  Use database tools to run integrity checks and repair any issues found.
  
  
  
  Configuration Review:
  
  Review the configuration settings in both the SAP system and the database.
  Ensure that all necessary parameters are set correctly.
  
  
  
  User Authorization:
  
  Verify that the user encountering the error has the appropriate authorizations to access the required data.
  Adjust roles and permissions as necessary.
  
  
  
  Check for Software Updates:
  
  Look for any available patches or updates for your SAP system that may address known bugs.
  Apply any relevant updates and test to see if the issue persists.
  
  
  
  Consult SAP Notes:
  
  Search the SAP Support Portal for any relevant SAP Notes that may provide specific guidance or fixes related to this error.
  Implement any recommended solutions from SAP Notes.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above solutions, consider reaching out to SAP Support for further assistance.
  Provide them with detailed information about the error, including any logs or screenshots.
  
  
  
  Related Information:
  
  Transaction Codes: You may want to check transaction codes like ST22 (Dump Analysis) or SM21 (System Log) to gather more information about the error.
  Logs: Review application logs and database logs for any additional error messages or warnings that could provide context.
  Documentation: Refer to SAP documentation for the specific module or function you are working with to understand any specific requirements or limitations.
  
  By following these steps, you should be able to diagnose and potentially resolve the TW401 error in your SAP environment.