How To Fix IU590 - Switch to new tables triggered or scheduled

SAP Error Message - Details

• Message type: E = Error

• Message class: IU - Incremental Conversion (ICNV)

• Message number: 590

• Message text: Switch to new tables triggered or scheduled

This process executes in the background. As a result, the effect only
becomes visible after some time (seconds to minutes).

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message IU590 - Switch to new tables triggered or scheduled ?

  The SAP error message IU590, which states "Switch to new tables triggered or scheduled," typically occurs in the context of SAP's data migration or upgrade processes, particularly when transitioning from older database tables to new ones. This is often seen in scenarios involving the use of the SAP S/4HANA system or during the implementation of new functionalities that require a change in the underlying data model.
  Cause:
  
  Data Model Changes: The error is usually triggered when there are changes in the data model that require the system to switch from old tables to new tables.
  Scheduled Jobs: It may also occur if there are background jobs scheduled to perform this switch, and the system is notifying you that the switch has been triggered or is pending.
  Configuration Issues: Sometimes, the error can arise from misconfigurations in the system settings related to the data migration process.
  
  Solution:
  
  Check Job Status: Verify if there are any background jobs scheduled for the switch. You can do this by checking the job overview in transaction code SM37. If a job is running, you may need to wait for it to complete.
  Monitor Migration Process: If you are in the middle of a migration or upgrade, ensure that all steps are being followed correctly as per the SAP guidelines. Review the migration logs for any errors or warnings.
  Review Configuration: Check the configuration settings related to the data model and ensure that they are set up correctly. This may involve reviewing the settings in the relevant customizing transactions.
  Consult SAP Notes: Look for any relevant SAP Notes that may address this specific error. SAP frequently releases notes that provide fixes or workarounds for known issues.
  System Restart: In some cases, a system restart may be necessary to clear any locks or pending processes that are causing the error.
  Contact SAP Support: If the issue persists and you cannot resolve it, consider reaching out to SAP Support for assistance. They can provide more specific guidance based on your system configuration and the context of the error.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for your specific version of the software, as it may contain detailed instructions on handling data model changes and migrations.
  Community Forums: Check SAP Community forums or other user groups where similar issues may have been discussed. Other users may have encountered the same error and can provide insights or solutions.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE14 (Database Utility), and SM37 (Job Monitoring) to help diagnose and resolve the issue.
  
  By following these steps, you should be able to address the IU590 error and ensure a smooth transition to the new tables in your SAP environment.