Warning

I was about to send a video and suddenly I see this message at the bottom end of the sent

Warning: require_once (/ home / sitem/ public_html / flash / modules / global / inc / header.inc.php) [function.require-once]: failed to open stream: Permission denied in / home2/sitem/public_html/inc / header.inc.php on line 173

Fatal error: require_once () [function.require]: Failed opening required '/ home / sitem / public_html / flash / modules / global / inc / header.inc.php' (include_path ='.:/ usr / lib / php: / home / sitem / public_html / plugins / phpids / ') in / home2/sitem/public_html/inc/header.inc.php on line 173
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and this link
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Warning: require_once (/ home / sitem / public_html / flash / modules / global / inc / header.inc.php) [function.require-once]: failed to open stream: Permission denied in / home2/sitem/public_html/inc / header.inc.php on line 173

Fatal error: require_once () [function.require]: Failed opening required '/ home / sitem / public_html / flash / modules / global / inc / header.inc.php' (include_path ='.:/ usr / lib / php: / home / sitem / public_html / plugins / phpids / ') in / home2/sitem/public_html/inc/header.inc.php on line 17
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now that's all the page that this problem, what to do

check the file if it actually exist in that folder and check the permission of the file if its 644 or 755, you can check the from FTP or using CPANEL file manager is easier.