Sometimes the following error is seen filling up the application log: "HTTP header: referrer".
It does not cause noticeable issues, but does fill up the log. This article has been updated to reflect the workaround: https://www.ptc.com/en/support/article?n=CS223714
To clear the error, locate the validation.properties inside the ThingworxStorage\esapi directory.
Then change the values of both Validator.HTTPHeaderValue_cookie and Validator.HTTPHeaderValue_referer to: