How To Fix SCWN252 - SQL table changed: from &1 to &2

SAP Error Message - Details

• Message type: E = Error

• Message class: SCWN - Messages Note installation and management

• Message number: 252

• Message text: SQL table 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 SCWN252 - SQL table changed: from &1 to &2 ?

  The SAP error message SCWN252 indicates that there has been a change in the SQL table structure, specifically that the table has been modified from one version to another. This typically occurs in the context of database changes, such as when a table is altered, a new field is added, or an existing field is modified.
  Cause:
  
  Database Schema Changes: The underlying database schema has been altered, which can happen during system upgrades, patches, or manual changes made by a database administrator.
  Transport Requests: Changes made in a development environment that are transported to a production environment may lead to discrepancies if the transport is not executed properly.
  Inconsistent Data Dictionary: The data dictionary in the SAP system may not be in sync with the actual database schema, leading to inconsistencies.
  
  Solution:
  
  Check for Transport Issues: Ensure that all transport requests related to the table changes have been properly imported into the system. If there are pending transports, complete them.
  Database Synchronization: Use transaction codes like SE11 (Data Dictionary) to check the table definition and ensure it matches the database structure. If discrepancies are found, you may need to adjust the database or regenerate the data dictionary.
  Re-Generate Table: If the table structure has changed, you may need to regenerate the table in the SAP system. This can be done using transaction SE14 (Database Utility) to adjust the database objects.
  Check for Active Locks: Sometimes, active locks on the table can cause issues. Use transaction SM12 to check for and remove any locks that may be affecting the table.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide guidance on how to resolve it.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11, SE14, SM12, and SE80 for managing database objects and transports.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, especially if it involves complex database changes or system upgrades.
  Documentation: Review the documentation for your specific SAP version, as the handling of database changes may vary between versions.
  
  By following these steps, you should be able to identify the cause of the SCWN252 error and implement a solution to resolve it.