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what does this meen?

 

Notice: Undefined index: 2 in /home/open2sha/public_html/new/includes/core/core.session.php on line 0

 

Notice: Undefined index: 2 in /home/open2sha/public_html/new/includes/core/core.session.php on line 0

 

Notice: Undefined offset: 2 in /home/open2sha/public_html/new/includes/core/core.session.php on line 0

 

Warning: Invalid argument supplied for foreach() in /home/open2sha/public_html/new/includes/core/core.session.php on line 0

MySQL ERROR

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It means you referred to an element of an array but the element does not exist.  Such as:

$test[0] = 'Line 0';
$test[1] = 'Line 1';

// The following line produces a notice, because we did not define element 2
print $test[2];

 

"on line 0" -- I'm not sure why it says line zero.  Are you using eval or annonymous functions? 

 

Without seeing some code, we can't really help identify the problem.

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