Getting error while calling the Leave Booked and Balance Report API

Getting error while calling the Leave Booked and Balance Report API


I get the following error 

{"error":{"code":7213,"message":"The provided OAuth token is invalid."},"uri":"/api/v2/leavetracker/reports/bookedAndBalance"}

The OAuth token is valid as I am using it in other APIs. Can you please let me know why this error occurred?

dat = Map();
respo = invokeurl
url :url
type :GET
info respo;

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