Locate the SQL query the created the custom report.
Copy the SQL query to the clipboard of the server (Ctrl-A, Ctrl-C)
Open Asset Manager website | Reports and select 'View Reports" | "Add Report" | "Add Advanced Report"
Provide a report name in the first tab
Paste the SQL query on the clipboard into the edit window
Click 'Next' if the report needs to be scheduled or Security Rights to the report need to be defined
The custom reports will appear on the list of 'View Reports'