my FreePBX GUI will not start after update
Internal Server Error
The server encountered an internal error or misconfiguration and was unable to complete your request.
Please contact the server administrator at webmaster@localhost to inform them of the time this error occurred, and the actions you performed just before this error.
More information about this error may be available in the server error log.
and here is the error log :
[Fri Sep 09 08:30:23.632954 2016] [authz_core:error] [pid 9149] [client 192.168.17.249:50885] AH01630: client denied by server configuration: /var/www/html/admin/index.html
[Fri Sep 09 08:30:23.633202 2016] [authz_core:error] [pid 9149] [client 192.168.17.249:50885] AH01630: client denied by server configuration: /var/www/html/admin/index.cgi
[Fri Sep 09 08:30:23.633362 2016] [authz_core:error] [pid 9149] [client 192.168.17.249:50885] AH01630: client denied by server configuration: /var/www/html/admin/index.pl
[Fri Sep 09 08:34:32.749363 2016] [core:alert] [pid 9149] [client 192.168.17.217:50823] /var/www/html/admin/.htaccess: Invalid command ‘RewriteEngine’, perhaps misspelled or defined by a module not included in the server configuration, referer: http://192.168.17.246/admin/config.php
[Fri Sep 09 08:34:35.751931 2016] [core:alert] [pid 9148] [client 192.168.17.217:50822] /var/www/html/admin/.htaccess: Invalid command ‘RewriteEngine’, perhaps misspelled or defined by a module not included in the server configuration, referer: http://192.168.17.246/admin/config.php
[Fri Sep 09 08:34:48.663035 2016] [core:alert] [pid 9150] [client 192.168.17.217:50828] /var/www/html/admin/.htaccess: Invalid command ‘RewriteEngine’, perhaps misspelled or defined by a module not included in the server configuration, referer: http://192.168.17.246/admin/config.php
[Fri Sep 09 08:34:56.744012 2016] [core:alert] [pid 9146] [client 192.168.17.217:50829] /var/www/html/admin/.htaccess: Invalid command ‘RewriteEngine’, perhaps misspelled or defined by a module not included in the server configuration
[Fri Sep 09 08:35:33.971407 2016] [core:alert] [pid 9149] [client 192.168.17.217:50830] /var/www/html/admin/.htaccess: Invalid command ‘RewriteEngine’, perhaps misspelled or defined by a module not included in the server configuration
[Fri Sep 09 08:35:34.914213 2016] [core:alert] [pid 9146] [client 192.168.17.217:50827] /var/www/html/admin/.htaccess: Invalid command ‘RewriteEngine’, perhaps misspelled or defined by a module not included in the server configuration
[Fri Sep 09 08:35:38.814716 2016] [core:alert] [pid 9149] [client 192.168.17.249:50934] /var/www/html/admin/.htaccess: Invalid command ‘RewriteEngine’, perhaps misspelled or defined by a module not included in the server configuration, referer: http://192.168.17.246/admin/config.php?display=modules
[Fri Sep 09 08:35:43.953357 2016] [core:alert] [pid 9146] [client 192.168.17.249:50935] /var/www/html/admin/.htaccess: Invalid command ‘RewriteEngine’, perhaps misspelled or defined by a module not included in the server configuration