Events on After Successful Login not run

Dear All,
Using PHPRUNNER 6.2.
I have a table structured like this : userid | username | useremail | userstatus

What i need to do is, everytime the user sign-in, and if he/she haven't status on the table, the script will automatically update the table and set "userstatus = Normal",

So i create an "Event" on "After Succesful Login" as seen below :

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//** Check if specific record exists ****

global $conn;

$userid = $data["userid"];

$strSQLExists = "select userstatus from user where userid=$userid";

$rsExists = db_query($strSQLExists,$conn);

$data=db_fetch_array($rsExists);

if($data)

{

// if record exists do something

}

else

{

//** Update a record ****

global $conn;

$strSQLUpdate = "update user set userstatus = 'Normal' where userid = $userid";

db_exec($strSQLUpdate,$conn);

}

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But nothing happen everytime i try to sign-in (login), seems that the event "ignored" somehow.
Can anybody tell me what's wrong ?
Thanks before.
ARM