--- /dev/null
+<?php
+// Own namespace
+namespace Org\Mxchange\CoreFramework\FileStack;
+
+// Import framework stuff
+use Org\Mxchange\CoreFramework\Generic\FrameworkException;
+
+/**
+ * Invalid/bad magic found
+ *
+ * @author Roland Haeder <webmaster@ship-simu.org>
+ * @version 0.0.0
+ * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2020 Core Developer Team
+ * @license GNU GPL 3.0 or any newer version
+ * @link http://www.ship-simu.org
+ *
+ * This program 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.
+ *
+ * This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+class InvalidMagicException extends FrameworkException {
+ /**
+ * Constructor with data string
+ *
+ * @param $data Raw data
+ * @param $code Error code
+ * @return void
+ */
+ public function __construct (string $data, int $code) {
+ // Construct message
+ $message = sprintf('data(%d)=%s has a bad magic, expected: %s',
+ strlen($data),
+ $data,
+ BaseFileStack::STACK_MAGIC
+ );
+
+ // Call parent exception constructor
+ parent::__construct($message, $code);
+ }
+
+}