muhtemelen hostinginiz sistem gereksinimlerini karşılamıyordur.

oxwall'ın gereksinimleri şöyle belirtilmiş;

If you plan to host your site elsewhere make sure your host meets the following hosting requirements:
Linux/Unix/Windows
Apache 2 or higher (with mod_rewrite module)
PHP 5.2.6 or higher with:
register_globals off
safe_mode off
suPHP off
suApache off
suhosin off
PHP modules:
PDO
DOM
mbstring
zip
zlib
ftp
json
MySQL 5.0 or higher
GD Library 2 with FreeType support
Mail server (SendMail, Exim or other)
Cron