Task Title Script

Task Title Script

When using the script found here:  https://pitstop.manageengine.com/portal/kb/articles/how-to-populate-request-details-on-associated-tasks 

I am getting this error: 

Traceback (most recent call last): File "taskupdate.py", line 24, in 
reqID = requestObj["WORKORDERID"] KeyError: 'WORKORDERID'