Please write in english, then more eZ publish community members can help you, also if answer solve yoru problem than will be usefull for other members as well.
Patryk,
if you don't have access to your php.ini file you might want to consider using a different host. Until then try...
http://ez.no/products/ez_publish_cms/documentation/configuration/troubleshooting/not_enough_php_memory specifically try adding the setting to your .htaccess file for the ezp directory.
