How To Fix SCWN253 - Table class changed: from &1 to &2

SAP Error Message - Details

• Message type: E = Error

• Message class: SCWN - Messages Note installation and management

• Message number: 253

• Message text: Table class changed: from &1 to &2

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 SCWN253 - Table class changed: from &1 to &2 ?

  The SAP error message SCWN253 indicates that there has been a change in the table class of a database table. Specifically, it states that the table class has changed from one type (denoted as &1) to another type (denoted as &2). This message is typically encountered in the context of database table management and can occur during various operations, such as data modeling, transport requests, or system upgrades.
  Cause:
  The change in table class can occur due to several reasons:
  
  Modification of Table Attributes: A developer or administrator may have modified the attributes of a table, changing its classification (e.g., from transparent to pooled or cluster).
  Transport Requests: Changes made in one system (like a development system) may be transported to another system (like a production system), leading to inconsistencies in table definitions.
  System Upgrade: During an upgrade, SAP may change the classification of certain tables as part of the new version's requirements or optimizations.
  
  Solution:
  To resolve the SCWN253 error, you can take the following steps:
  
  
  Check Table Definitions: Verify the definitions of the tables involved. You can do this using transaction SE11 (Data Dictionary) to see the current and previous table classes.
  
  
  Consistency Check: Run a consistency check on the database tables. You can use transaction SE14 (Database Utility) to check and adjust the database objects.
  
  
  Transport Management: If the issue is related to transport requests, ensure that all relevant transport requests are correctly imported and that there are no inconsistencies between the systems.
  
  
  Recreate the Table: If necessary, you may need to recreate the table with the correct class. This should be done with caution and typically in a development environment first.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant notes or patches that may address this specific issue. There may be known issues or fixes provided by SAP.
  
  
  Contact SAP Support: If the issue persists and you cannot resolve it, consider reaching out to SAP Support for assistance.
  
  
  Related Information:
  
  Transaction Codes: SE11 (Data Dictionary), SE14 (Database Utility), SE03 (Transport Organizer), SE09 (Transport Organizer).
  SAP Notes: Always check for relevant SAP Notes that may provide additional context or solutions for this error.
  Documentation: Review SAP documentation regarding table classes and their implications on database performance and integrity.
  
  By following these steps, you should be able to identify the cause of the SCWN253 error and implement a suitable solution.