Thread:Extension talk:GuidedTour/troubleshooting install - Nothing happens

Hi, I like this extensiona lot, but it seems I really cannot see it at work. I'm running a fresh installation on MediaWiki 1.23.3, PHP 5.3.10, MySQL 5.5.38. Guided tour and EventLogging are at their very last version cloned from git. When I call the tour simply nothing happens, no message is shown, neither with debug options (error_reporting, dislay_errors) activated.

I don't where to go for further investigation. Thank you for your help.