"it's a message for a programming error on the webpage - php language - an unexpected '<' in the code ...."
Let me re-phrase this,
It is another sign of the incompetence of a Technology company with just two lines of business (i) a line that fails to make money from a "patent on water" [MMP] and (ii) a line that fails to make money from developing software.
Someone changed the code. No-one apparently tested it in the real world.
Really, REALLY, sad. This company's management has GOT TO GO!
It's not helped by Google Chrome concurrently reporting:
www.ptsc.com contains malware. Your computer might catch a virus if you visit this site.
Google has found malicious software may be installed onto your computer if you proceed. If you've visited this site in the past or you trust this site, it's possible that it has just recently been compromised by a hacker. You should not proceed, and perhaps try again tomorrow or go somewhere else.
We have already notified
www.ptsc.com that we found malware on the site. For more about the problems found on www.ptsc.com, visit the Google
Safe Browsing diagnostic page.