Message type: E = Error
Message class:  CNV_CDOP_CA - CDOP Clearing Analysis 
Message number: 090
Message text: No data found for activity or activity has not been started
You have attempted to see the result of an Activity, but no data found
corresponds to  the clicked Activity in the system, or in the Project
Hierarchy the user has not at all triggered the Activity.
The list will remain blank if no data found in the system or activity
not at all triggered by the user.
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.
The SAP error message CNV_CDOP_CA090 typically indicates that there is no data available for a specific activity in the context of a data conversion or migration process, or that the activity has not been initiated. This error is often encountered in the context of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other conversion tools. Causes: Activity Not Started: The specific activity you are trying to access has not been executed or started yet. No Data Available: There may be no data available for the selected activity, which could be due to various reasons such as: The source system does not have any relevant data. Data has not been extracted or loaded into the target system.
Configuration Issues: There may be configuration issues in the migration project that prevent data from being processed correctly. Authorization Issues: The user may not have the necessary authorizations to view or execute the activity. Solutions: Start the Activity: Ensure
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