How To Fix TA253 - Non-critical differences: Extended tables in this system: &

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 253

• Message text: Non-critical differences: Extended tables in this system: &

INCLUDE 'TA252' OBJECT DOKU ID NA

Error message extract from SAP system. Copyright SAP SE.

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• What is the cause and solution for SAP error message TA253 - Non-critical differences: Extended tables in this system: & ?

  The SAP error message TA253 indicates that there are non-critical differences in extended tables in the system. This typically occurs during a system upgrade, transport, or when there are inconsistencies in the database schema related to extended tables.
  Cause:
  
  Non-Critical Differences: The message suggests that there are differences in the structure of extended tables between the current system and the reference system (e.g., the development or quality assurance system).
  Database Schema Changes: Changes made to the database schema that have not been properly synchronized across different systems can lead to this error.
  Transport Issues: If transports containing changes to extended tables were not imported correctly, it could result in discrepancies.
  Custom Development: Custom developments that modify standard tables or add new fields may also lead to this error if not properly managed.
  
  Solution:
  
  Check the Differences: Use transaction code SE11 (Data Dictionary) to check the structure of the extended tables in question. Compare them with the reference system to identify the specific differences.
  Adjust the Database Schema: If the differences are due to missing fields or changes, you may need to adjust the database schema to align with the reference system. This could involve adding fields, changing data types, or other modifications.
  Transport Corrections: If the issue is related to transport, ensure that all relevant transports have been correctly imported into the system. You may need to re-import or adjust the transport requests.
  Use Transaction SE14: You can use transaction SE14 (Database Utility) to check and adjust the database objects. This transaction can help you synchronize the database structure with the data dictionary.
  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:
  
  Extended Tables: Extended tables in SAP are typically used to store additional data related to standard tables. They are often used in scenarios where additional fields are needed without modifying the original table structure.
  System Upgrade: During system upgrades, it is common to encounter such discrepancies, especially if the upgrade involves changes to the data model.
  SAP Support: If the issue persists or if you are unsure about making changes to the database schema, it is advisable to contact SAP Support for assistance.
  
  Always ensure that you have proper backups and that you test any changes in a development or quality assurance environment before applying them to the production system.