How To Fix TN403 - Add-on installation/upgrade not yet complete; CRTs are required

TN403 - Overview

• Message type: E = Error

• Message class: TN - Support Package Manager (SPAM) Messages

• Message number: 403

• Message text: Add-on installation/upgrade not yet complete; CRTs are required

What causes this issue?

After installing or upgrading an add-on there are still conflicts with
Support Packages that have already been imported. You must use the
corresponding Conflict Resolution Transports (CRTs) to resolve these
conflicts.

System Response

It's not posible to import other OCS Packages than the neccessary CRTs.

How to fix this error?

Use the Support Package Manager (Transaction SPAM) to import the
necessary CRTs.

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 TN403 - Add-on installation/upgrade not yet complete; CRTs are required ?

  The SAP error message TN403, which states "Add-on installation/upgrade not yet complete; CRTs are required," typically occurs during the installation or upgrade of an SAP add-on. This error indicates that the installation process has not been fully completed, and certain components, known as CRTs (Component Release Transport), are required to finalize the installation.
  
  Cause:
  
  Incomplete Installation: The add-on installation or upgrade process was interrupted or not completed successfully.
  Missing CRTs: The required CRTs for the add-on are not available in the system.
  Transport Issues: There may be issues with the transport requests that contain the necessary components for the add-on.
  Version Mismatch: The version of the add-on being installed may not be compatible with the current version of the SAP system.
  
  
  Solution:
  
  Check Installation Logs: Review the installation logs to identify any errors or warnings that occurred during the installation process. This can provide insights into what went wrong.
  Complete the Installation: If the installation was interrupted, try