note 52798 added to function.mysqli-debug

Warning: Supplied argument is not a valid MySQL result resource in c:\apache\htdocs\show1.php on line 51 in my script this error but i don't know what i do please send the ansawr of this error to my mail ---- Manual Page -- http://www.php.net/manual/en/function.mysqli-debug.php Edit -- http://master.php.net/manage/user-notes.php?action=edit+52798 Delete: added to the manual -- http://master.php.net/manage/user-notes.php?action=delete+52798&report=yes&reason=added+to+the+manual Delete: bad code -- http://master.php.net/manage/user-notes.php?action=delete+52798&report=yes&reason=bad+code Delete: spam -- http://master.php.net/manage/user-notes.php?action=delete+52798&report=yes&reason=spam Delete: useless -- http://master.php.net/manage/user-notes.php?action=delete+52798&report=yes&reason=useless Delete: other reasons -- http://master.php.net/manage/user-notes.php?action=delete+52798&report=yes Reject -- http://master.php.net/manage/user-notes.php?action=reject+52798&report=yes Search -- http://master.php.net/manage/user-notes.php