Added new customcertelement class required in 2.6 to avoid debugging message

classes/plugininfo/customcertelement.php

@@ -0,0 +1,40 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Subplugin info class.
+ *
+ * @package   mod_customcert
+ * @copyright 2013 Mark Nelson <markn@moodle.com>
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+namespace mod_customcert\plugininfo;
+
+use core\plugininfo\base;
+
+defined('MOODLE_INTERNAL') || die();
+
+class customcertelement extends base {
+
+    /**
+     * Do not allow users to uninstall these plugins as it could cause customcerts to break.
+     *
+     * @return bool
+     */
+    public function is_uninstall_allowed() {
+        return false;
+    }
+}