No data in optRef table - Capstone Q-1.5

https://learninghub.kx.com/forums/topic/no-data-in-optref-table-capstone-q-1-5

Hi team,
in capstone project for level-2, Q-1.5, I am executing these query - optRef:refServiceHandle(`getOptionRef; `uniqueOpts)
and getting output as empty table.

Please find the screenshot


Can you please help out in this, thanks