creating the files doesn't work for me either....
Code:
[Mon Jan 28 18:17:09 2013] [error] [client 81.221.83.35] PHP Warning: fopen(templates/nginx_reverse_proxy_edit.htm): failed to open stream: Permission denied in /usr/local/ispconfig/interface/lib/classes/tform_tpl_generator.inc.php on line 149, referer: https://xxx/index.php
Permissions are 750 for all files/folders, owner ispconfig:ispconfig