You are unable to configure your categories, error message 500 appears when you attempt to access your module. Error message nginx 504 might also appear.
This is often due to a timeout problem on certain values. Try to increase the following values:
– If you have installed mod_fcgid: http://www.brianmcqu…sing-mod_fcgid-timeout/85
– Or if you have installed nginx: http://rtcamp.com/tu…ase-php-script-execution-time-with-nginx/