Update the invoices link that is only visible if that modules is installed.

contacts_edit.php

@@ -236,7 +236,7 @@ if (count($_POST)>0 && strlen($_POST["persistformvar"]) == 0) {
 		echo "	<input type='button' class='btn' name='' alt='".$text['button-vcard']."' onclick=\"window.location='contacts_vcard.php?id=$contact_uuid&type=download'\" value='".$text['button-vcard']."'>\n";
 	}
 	if ($action == "update" && is_dir($_SERVER["DOCUMENT_ROOT"].PROJECT_PATH.'/app/invoices')) {
-		echo "	<input type='button' class='btn' name='' alt='".$text['button-invoices']."' onclick=\"window.location='".PROJECT_PATH."/app/invoices/v_invoices.php?id=$contact_uuid'\" value='".$text['button-invoices']."'>\n";
+		echo "	<input type='button' class='btn' name='' alt='".$text['button-invoices']."' onclick=\"window.location='".PROJECT_PATH."/app/invoices/invoices.php?id=$contact_uuid'\" value='".$text['button-invoices']."'>\n";
 	}
 	echo "	<input type='button' class='btn' name='' alt='".$text['button-back']."' onclick=\"window.location='contacts.php?".$_GET["query_string"]."'\" value='".$text['button-back']."'>\n";
 	echo "</td>\n";