How To Fix TA251 - & Tables cannot be converted

TA251 - Overview

• Message type: E = Error

• Message class: TA - Extended table maintenance (eval., Customizing, client copy)

• Message number: 251

• Message text: & Tables cannot be converted

What causes this issue?

The table definitions differ between the systems. These differences
mean that a copy of the data can cause a data loss and system
inconsistencies.
Differences occur when further developments were not transported or
were copied between different maintenance levels.

System Response

A client copy cannot be made between the systems.

How to fix this error?

Transport all the developments of table structures between the systems
using the Transport Organizer and bring your system to the same
development level.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TA251 - & Tables cannot be converted ?

  The SAP error message TA251 typically indicates that there is an issue with the conversion of a table, often related to the data dictionary or database structure. This error can occur during various operations, such as when trying to activate a table or during a transport request.
  Cause of Error TA251
  
  Inconsistent Data Dictionary: The data dictionary may have inconsistencies, such as missing or incorrect definitions for the table.
  Database Issues: There may be issues with the underlying database, such as corruption or misconfiguration.
  Transport Issues: If the table was transported from another system, there may be inconsistencies between the source and target systems.
  Version Mismatch: The version of the SAP system may not support certain features or structures defined in the table.
  Locking Issues: The table may be locked by another process, preventing the conversion from completing.
  
  Solutions
  
  Check Data Dictionary: Use transaction SE11 to check the table definition and ensure that it is consistent. Look for