What's the path for (include_path='') ?

Hello, 

My site has been on and off due to this error:

 PHP Fatal error: require_once() [<a href='function.require'>function.require

Failed opening required 'Thing.php' (include_path='') in /home/crispe/public_html/inc/classes/BxDolMistake.php on line 3

 

then I contacted host support and they reply:

Your VPS physycaly located on powerful server with 8 hard drives in raid10 array, even if few drives will fail there will be no data loss, but there is no errors with hard drives.
I also checked your VPS file system - no errors found.

in error log i found records like this:
[Tue Apr 23 17:27:05 2013] [error] [client 66.249.73.156] PHP Fatal error: require_once() [<a href='function.require'>function.require</a>]: Failed opening required 'Thing.php' (include_path='') in /home/crispe/public_html/inc/classes/BxDolMistake.php on line 3

yes file Thing.php present but include_path='' is emty so it dont know where to find this file. 
try to use full path.

 

My question is what should I include in the (include_path= " ) field ?

 

Thank you

Quote · 24 Apr 2013
 
 
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