Need CSV file to test catalog content look api

I want to execute Post operation of Catalog content lookup api. But for me mentioned CSV file is not working.

Please help me to understand what exactly issue with my .csv file. Or if you have any other .csv file then please provide me.

error: Status: 400 Error: Cannot update Lookup SampleLookupByTibco, update already in progress

Kindly find attached .csv file sceen shot