How To Fix IU042 - This program may only run in upgrade phase CNV_SUBMIT

SAP Error Message - Details

• Message type: E = Error

• Message class: IU - Incremental Conversion (ICNV)

• Message number: 042

• Message text: This program may only run in upgrade phase CNV_SUBMIT

What causes this issue?

The program saves runtime objects of tables to be converted in upgrade
phase CNV_SUBMIT. For this reason this program may only be started in
this upgrade phase.

System Response

The program is not executed outside of phase CNV_SUBMIT.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message IU042 - This program may only run in upgrade phase CNV_SUBMIT ?

  The SAP error message IU042 indicates that a specific program is being executed outside of the allowed upgrade phase. This error typically occurs during system upgrades or migrations when certain programs or transactions are restricted to run only in specific phases of the upgrade process.
  Cause:
  The error message "IU042 This program may only run in upgrade phase CNV_SUBMIT" is triggered when:
  
  You attempt to execute a program or transaction that is designed to run only during the upgrade phase CNV_SUBMIT.
  The system is currently in a different phase of the upgrade process, which does not permit the execution of that program.
  
  Solution:
  To resolve this error, you should:
  
  
  Check Upgrade Phase: Ensure that you are in the correct upgrade phase. The program in question can only be executed during the CNV_SUBMIT phase. You can check the current phase of the upgrade in the upgrade log or by consulting the upgrade documentation.
  
  
  Follow Upgrade Procedures: If you are not in the CNV_SUBMIT phase, you will need to wait until the system reaches that phase before executing the program. Follow the upgrade guide provided by SAP to ensure you are executing programs in the correct order and at the right time.
  
  
  Consult Documentation: Review the SAP upgrade documentation for specific instructions related to the program you are trying to run. This documentation may provide additional context or steps that need to be followed.
  
  
  Contact SAP Support: If you believe you are in the correct phase and still encounter this error, consider reaching out to SAP support for further assistance. They can provide insights specific to your system and upgrade scenario.
  
  
  Related Information:
  
  Upgrade Phases: Familiarize yourself with the different phases of the SAP upgrade process, as each phase has specific tasks and programs that can be executed.
  SAP Notes: Check for any relevant SAP Notes that may address this error or provide additional guidance on the upgrade process.
  System Logs: Review system logs for any additional error messages or warnings that may provide more context about the issue.
  
  By ensuring that you are executing the program in the correct phase and following the upgrade procedures, you should be able to resolve the IU042 error.