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 error log of php as described here:

should give you some useful informations about your problem.