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

IU042 - Overview

• 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