Description:
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I used IIS 5.0 with the CGI version of php5 and I was getting a "CGI has encountered an error..." . I read about other bugs with SQLite and some users were suggesting the use of Apache. So i switched from the CGI version of php running with IIS to running it as a module with Apache 2.0. when i run the code, it tells gives me an "Apache has encountered an error..." dialog. 

I'm trying to create a script to process a registration form. It would take the data, an store it in an SQLite database. I tried commenting out the INSERT query and i get no error. It seems the INSERT Query is the problem. A SELECT query workd fine. Can someone help?

Reproduce code:
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<?php
if (isset($_POST["username"])) {
	$db = sqlite_open("db/db.chat");
	sqlite_query("INSERT INTO users VALUES(NULL, ".$_POST['username'].", ".$_POST['password'].")",$db);
	echo "done.";
}
?>