White page after manual upgrade to 9.1 - solved, when htaccess is disabled

[anon30676603]

Hi,

have a look at the following FAQ. Without the matching logentries to this white page its nearly impossible to guess whats wrong here.

I'm getting a blank page / 500 Internal Server Error

Problem: Help: I'm getting an 500 Internal Server Error in my browser or in the logfile of my sync-client, or a blank / white page in my browser. Answer: Most time a: 500 Internal Server Error / blank page error message is caused by a wrong configured webserver or a typo in a .htaccess file. Without any additional informations it's not possible to help you here as this errors just means "something wrong" without telling what is wrong. Having a look at your webservers logfile or the e…