Message type: E = Error
Message class:  CNV_10940_MESS - SHC: Messages to trigger Report Variant Scan 
Message number: 013
Message text: Select only one entry from the list for execution
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The SAP error message CNV_10940_MESS013 ("Select only one entry from the list for execution") typically occurs during data migration or conversion processes, particularly when using SAP's tools for data migration, such as the SAP S/4HANA Migration Cockpit or other conversion tools.
Cause:
This error message indicates that the system expects the user to select only one entry from a list of options, but multiple entries have been selected. This can happen in scenarios where the system is designed to process a single record at a time, and the user inadvertently selects more than one.
Solution:
To resolve this error, follow these steps:
Review the Selection: Go back to the selection screen where the error occurred. Ensure that you have only one entry selected. If multiple entries are highlighted, deselect all but one.
Re-execute the Process: After ensuring that only one entry is selected, attempt to execute the process again.
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