function error

I am analyzing a code and I receive the next error
Warning: mysql_result() expects parameter 1 to be resource, boolean given in C:\wamp\www\AktiveKB\admin\includes\classes\class.auth.php on line 175
I am new in php and I don't know how to handle this error

php

Hello,

When posting an error code, you should always include the code.

The very first post(FAQ) of the PHP forum deals about this warning.
http://www.daniweb.com/web-development/php/threads/191031
If you cant find the solution with this post your code with code tags.

Sorry guys. I've just being tired

function SetupHomePageLinks()
		{
			$arrPermissions = $GLOBALS["AKB_CLASS_AUTH"]->GetPermissions();

			// Get the number of user submitted questions
			$GLOBALS["NumSubmittedQuestions"] = mysql_result(mysql_query(sprintf("select count(pk_squestId) from %ssubmittedquestions", $GLOBALS["tablePrefix"])), 0, 0);

			// Get the number of pending comments
			$GLOBALS["NumPendingComments"] = mysql_result(mysql_query(sprintf("select count(pk_commentId) from %scomments where cStatus='pending'", $GLOBALS["tablePrefix"])), 0, 0);

			// Get the number of questions
			$GLOBALS["NumQuestions"] = mysql_result(mysql_query(sprintf("select count(pk_questId) from %squestions", $GLOBALS["tablePrefix"])), 0, 0);

			// Get the number of visible questions
			$GLOBALS["NumVisibleQuestions"] = mysql_result(mysql_query(sprintf("select count(pk_questId) from %squestions where qVisible=1", $GLOBALS["tablePrefix"])), 0, 0);

			// Get the number of visible questions
			$GLOBALS["NumHiddenQuestions"] = mysql_result(mysql_query(sprintf("select count(pk_questId) from %squestions where qVisible=0", $GLOBALS["tablePrefix"])), 0, 0);

			// Get the number of comments
			$GLOBALS["NumComments"] = mysql_result(mysql_query(sprintf("select count(pk_commentId) from %scomments", $GLOBALS["tablePrefix"])), 0, 0);

			// Get the number of pending comments
			$GLOBALS["NumPendingComments"] = mysql_result(mysql_query(sprintf("select count(pk_commentId) from %scomments where cStatus='pending'", $GLOBALS["tablePrefix"])), 0, 0);