hello

Hello,
Iam a MySQl user and the frontend that I use is TYPO3.
I have got 2 warning messages in that and they are

Warning: Supplied argument is not a valid MySQL result
resource in
/var/www/typo3/lib/t3lib/class.t3lib_db.php on line
677

Warning: Cannot add header information - headers
already sent by (output started at
/var/www/typo3/lib/t3lib/class.t3lib_db.php:677) in
/var/www/typo3/lib/typo3/template.php on line 596


And the related code for the first error is 
/**
	 * Returns the number of selected rows.
	 * mysql_num_rows() wrapper function
	 * Usage count/core: 85
	 *
	 * @param	pointer		MySQL result pointer (of SELECT
query) / DBAL object
	 * @return	integer		Number of resulting rows.
	 */
	function sql_num_rows($res)	{
		return mysql_num_rows($res);
	}


And the related code for the second one is 
function startPage($title)	{
			// Get META tag containing the currently selected
charset for backend output. The function sets
$this->charSet.
		$charSet = $this->initCharset();
		$generator = $this->generator();

			// For debugging: If this outputs
"QuirksMode"/"BackCompat" (IE) the browser runs in
quirks-mode. Otherwise the value is "CSS1Compat"
//	
$this->JScodeArray[]='alert(document.compatMode);';

			// Send HTTP header for selected charset. Added by
Robert Lemke 23.10.2003
		header
('Content-Type:text/html;charset='.$this->charset);


And in my main file in PHP I have a few lines abt this
mysql_num_rows($res) function.
I tried to change a lot of things but even then I keep
getting the same error messages over and over again.
Can you please help me in how to fix this problem.
Thank You.



		
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