How To Fix TA455 - Critical difference in table &: Key field &

TA455 - Overview

• Message type: E = Error

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

• Message number: 455

• Message text: Critical difference in table &: Key field &

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message TA455 - Critical difference in table &: Key field & ?

  The SAP error message TA455, which indicates a "Critical difference in table &: Key field &," typically arises during data consistency checks or when performing operations that involve table updates or comparisons. This error suggests that there is a discrepancy in the key fields of a specified table, which can lead to data integrity issues.
  
  Cause:
  
  
  Data Inconsistency: The most common cause of this error is that the data in the specified table is inconsistent. This could be due to:
  
  Manual data entry errors.
  Issues during data migration or data uploads.
  Incomplete or failed transactions that did not properly update the database.
  
  
  
  Custom Development: If there are custom programs or enhancements that manipulate the data in the table, they might not be handling the key fields correctly.
  
  
  Database Corruption: In rare cases, database corruption can lead to discrepancies in key fields.
  
  
  
  Solution:
  
  
  Data Consistency Check: 
  
  Use transaction codes like SE11 (Data Dictionary) or SE16 (Data Browser) to check the