ForceTimeOut

Click button. Error output (after 14 sec) displayed below:

....

Problem: sometimes it returns

"err.name=ExecutionTimeoutError: err.message=Error: Unable to handle the request. Contact the site administrator or view site monitoring logs for more information."

and other times

"err.name=Error: err.message="

Click the button a couple of times (and wait 14 seconds), reload the page, do it again, eventually you'll see.