How To Fix IU577 - The switch must be made in the upgrade for the selected tables

SAP Error Message - Details

• Message type: E = Error

• Message class: IU - Incremental Conversion (ICNV)

• Message number: 577

• Message text: The switch must be made in the upgrade for the selected tables

What causes this issue?

Tables which are converted incrementally during the upgrade cannot be
manually switched to the new table version. This is done in a special
phase during the upgrade.

System Response

The table is not switched to the new version.

How to fix this error?

No further actions are required.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message IU577 - The switch must be made in the upgrade for the selected tables ?

  The SAP error message IU577 indicates that there is a requirement to switch certain tables during an upgrade process. This typically occurs when you are performing a system upgrade or a database migration, and the system is enforcing certain prerequisites related to the data model or the structure of the database tables.
  Cause:
  The error message IU577 usually arises due to one of the following reasons:
  
  Upgrade Requirements: The tables in question have been modified in the new version of SAP, and the upgrade process requires that these tables be switched to the new structure.
  Missing Switch: The necessary switch for the tables has not been executed, which is required for the upgrade to proceed.
  Incompatibility: The current state of the database or the application does not meet the requirements for the upgrade, possibly due to missing components or incorrect configurations.
  
  Solution:
  To resolve the IU577 error, you can follow these steps:
  
  
  Check Upgrade Documentation: Review the upgrade documentation provided by SAP for the specific version you are upgrading to. This documentation often contains information about required switches and changes to tables.
  
  
  Execute Required Switches: If the documentation specifies certain switches that need to be executed, you should run the necessary transactions or programs to perform these switches. This may involve using transaction codes like SE14 (Database Utility) or specific upgrade programs.
  
  
  Use the Upgrade Guide: Follow the SAP upgrade guide for your specific version. It will provide detailed steps on how to handle table switches and any other necessary actions.
  
  
  Check for Notes: Look for SAP Notes related to the error message IU577. SAP Notes often contain fixes, workarounds, or additional information that can help resolve the issue.
  
  
  Consult SAP Support: If you are unable to resolve the issue on your own, consider reaching out to SAP Support for assistance. They can provide guidance based on your specific system configuration and the version you are upgrading to.
  
  
  Related Information:
  
  SAP Notes: Always check the SAP Support Portal for relevant notes that may address this specific error or provide additional context.
  Upgrade Process: Familiarize yourself with the overall upgrade process, including pre-checks, post-checks, and the specific steps required for your version.
  Backup: Ensure that you have a complete backup of your system before performing any upgrades or switches, as this will allow you to restore the system in case of any issues.
  
  By following these steps, you should be able to address the IU577 error and successfully complete your upgrade process.