[Resolvido] Fatal error no arquivo restrito PHP "isAuthorized

Estou com um problema URGENTE na autorização / arquivo restrito do meu sistema em PHP.

Quando eu entro na pagina "excluir_albuns.php" aparece apenas o seguinte erro:

Fatal error: Cannot redeclare isAuthorized() (previously declared in /home2/th132210/public_html/new/galeria/admin/index.php:37) in /home2/th132210/public_html/new/galeria/admin/excluir_albuns.php on line 33

Eu vi na internet que seria pq existem 2 funçoes "isAuthorized()" no meu arquivo excluir_albuns.php e REALMENTE EXISTE. Mas nao sei oq fazer.

A funçao se repete na primeira linha e depois da linha $MM_restrictGoTo = "login.php";

function isAuthorized($strUsers, $strGroups, $UserName, $UserGroup)
{
// For security, start by assuming the visitor is NOT authorized.

 $isValid = False;

 // When a visitor has logged into this site, the Session variable MM_Username set equal to their username.
 // Therefore, we know that a user is NOT logged in if that Session variable is blank.
 if (!empty($UserName)) {
 // Besides being logged in, you may restrict access to only certain users based on an ID established when they login.
 // Parse the strings into arrays.
 $arrUsers = Explode(",", $strUsers);
 $arrGroups = Explode(",", $strGroups);
 if (in_array($UserName, $arrUsers)) {
 $isValid = true;
 }
 // Or, you may restrict access to only certain users based on their username.
 if (in_array($UserGroup, $arrGroups)) {
 $isValid = true;
 }
 if (($strUsers == "") && true) {
 $isValid = true;
 }
 }
 return $isValid;
}

$MM_restrictGoTo = "login.php";
if (!((isset($_SESSION['MM_Username'])) && (isAuthorized("",$MM_authorizedUsers, $_SESSION['MM_Username'], $_SESSION['MM_UserGroup'])))) {
 $MM_qsChar = "?";
 $MM_referrer = $_SERVER['PHP_SELF'];
 if (strpos($MM_restrictGoTo, "?")) $MM_qsChar = "&";
 if (isset($QUERY_STRING) && strlen($QUERY_STRING) > 0)
 $MM_referrer .= "?" . $QUERY_STRING;
 $MM_restrictGoTo = $MM_restrictGoTo. $MM_qsChar . "accesscheck=" . urlencode($MM_referrer);
 header("Location: ". $MM_restrictGoTo);
 exit;
}

O que eu faço?