Can't add content - Joomla! Forum - community, help and support

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hi,

for reason, seem unable add content website! when visit site, says 'the page trying access not exist.
please select page main menu.' , when click item in menu, that..

when try add content, white page message (after pressing save)

'fatal error: savecontent() [function.require]: failed opening required '' (include_path='.:/usr/lib/php:/usr/local/lib/php') in /home/vadtechc/public_html/shop/administrator/components/com_content/admin.content.php on line 730"

please help! thank you!






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