How To Fix TW403 - DY-DB-ACCESS-ERROR: Internal error in the TW_COPY_DATA function

TW403 - Overview

• Message type: E = Error

• Message class: TW - R3trans - Messages

• Message number: 403

• Message text: DY-DB-ACCESS-ERROR: Internal error in the TW_COPY_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 TW403 - DY-DB-ACCESS-ERROR: Internal error in the TW_COPY_DATA function ?

  The SAP error message TW403 DY-DB-ACCESS-ERROR: Internal error in the TW_COPY_DATA function typically indicates that there is an issue with database access during a data transfer or copy operation in the SAP system. This error can arise from various underlying causes, including database inconsistencies, issues with the transport layer, or problems with the specific data being processed.
  Possible Causes:
  
  Database Locking Issues: The database might be locked by another process, preventing access to the required data.
  Data Inconsistencies: There may be inconsistencies in the data being copied or transferred, such as missing or corrupted records.
  Transport Layer Issues: Problems with the transport layer or transport requests can lead to errors during data copying.
  Authorization Issues: The user executing the operation may not have the necessary authorizations to access the data.
  System Resource Limitations: Insufficient memory or other system resources can lead to internal errors during data operations.
  Software Bugs: There may be bugs in the SAP software