How To Fix INST_MSG815 - Step & is only allowed after installation

SAP Error Message - Details

• Message type: E = Error

• Message class: INST_MSG - Messages for Installation Post-Processing

• Message number: 815

• Message text: Step & is only allowed after installation

What causes this issue?

Executing step & is only permitted after installation.

System Response

An upgrade has already been carried out in the current system. The
changes caused by an upgrade prevent the selected step being started.

How to fix this error?

Delete the step from the selection.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message INST_MSG815 - Step & is only allowed after installation ?

  The SAP error message "INST_MSG815 Step & is only allowed after installation" typically occurs during the installation or upgrade process of an SAP system. This error indicates that a specific step in the installation process is being executed out of the intended sequence, which can lead to inconsistencies or failures in the installation.
  Cause:
  
  Incorrect Sequence of Steps: The most common cause of this error is that a step is being executed before the installation process has reached the appropriate stage. Each step in the installation process has a defined order, and skipping ahead can trigger this error.
  Incomplete Installation: If the installation process was interrupted or not completed successfully, subsequent steps may not be allowed.
  Configuration Issues: There may be configuration settings or prerequisites that have not been met before attempting to execute the step.
  
  Solution:
  
  Check Installation Documentation: Review the official SAP installation guide for the specific version you are working with. Ensure that you are following the steps in the correct order.
  Restart the Installation: If the installation was interrupted, it may be necessary to restart the installation process from the beginning. Make sure to address any issues that caused the interruption.
  Verify Prerequisites: Ensure that all prerequisites for the step you are trying to execute have been met. This includes checking for required software components, configurations, and system settings.
  Use SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates that resolve known issues.
  Log Files: Review the installation log files for more detailed error messages or warnings that can provide insight into what went wrong. The logs can often point to the exact step that failed and why.
  Consult SAP Support: If you are unable to resolve the issue, consider reaching out to SAP Support for assistance. They can provide guidance based on the specific context of your installation.
  
  Related Information:
  
  SAP Installation Guides: Always refer to the official SAP installation guides for the specific version of the software you are installing.
  SAP Community: The SAP Community forums can be a valuable resource for finding solutions to common installation issues, as other users may have encountered similar problems.
  SAP Notes: Regularly check for SAP Notes related to installation issues, as they can provide fixes or workarounds for known problems.
  
  By following these steps, you should be able to identify the cause of the error and take appropriate action to resolve it.