How To Fix IU604 - Table & is redefined for structure

SAP Error Message - Details

• Message type: E = Error

• Message class: IU - Incremental Conversion (ICNV)

• Message number: 604

• Message text: Table & is redefined for structure

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message IU604 - Table & is redefined for structure ?

  The SAP error message IU604, which states "Table & is redefined for structure," typically occurs when there is a mismatch between the structure definition in the ABAP Dictionary and the actual database table definition. This can happen due to various reasons, such as changes in the data model, updates to the database, or inconsistencies in the transport of changes.
  Cause:
  
  Inconsistent Definitions: The structure of the table in the ABAP Dictionary does not match the actual database table structure.
  Transport Issues: Changes made in one system (like development) may not have been properly transported to another system (like quality or production).
  Database Changes: Direct changes made to the database outside of the ABAP Dictionary (e.g., through SQL commands) can lead to inconsistencies.
  Version Mismatch: Different versions of the SAP system may have different definitions for the same table.
  
  Solution:
  
  Check Table Definition: Go to the ABAP Dictionary (transaction SE11) and check the definition of the table in question. Ensure that it matches the expected structure.
  Activate the Table: If there are changes in the table structure, activate the table in the ABAP Dictionary. This can often resolve the issue.
  Transport Requests: Ensure that all relevant transport requests have been properly imported into the target system. If there are missing transports, import them.
  Database Consistency Check: Use transaction SE14 (Database Utility) to check the consistency of the database table. You can also use the "Repair" option if necessary.
  Recreate the Table: In some cases, if the table is severely corrupted or inconsistent, you may need to recreate it. This should be done with caution and typically in consultation with your SAP Basis team.
  Check for Notes: Look for SAP Notes related to the specific table or error message. SAP may have provided patches or solutions for known issues.
  
  Related Information:
  
  Transaction Codes: 
  
  SE11: Data Dictionary
  SE14: Database Utility
  SE80: Object Navigator
  
  
  SAP Notes: Always check the SAP Support Portal for any relevant notes that might address this specific error.
  Documentation: Review the SAP Help documentation for more details on data dictionary objects and table management.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or ABAP development team for further investigation.