Please check http://www.daamsmolen.nl
It was a nice website, but I tried to add a new page, than I got error 500 Internal Server Error, and I really do not have a clue what it could be, so that's why I upgraded to version 2.3 but the error remained.
I have read other topics but could not find a suitable solution, so maybe someone could help me out?
To be completely clear, I installed the following plugins:
Thank you in advance!