first import

sites/all/modules/migrate/includes/exception.inc

@@ -0,0 +1,18 @@
+<?php
+
+/**
+ * @file
+ * Custom exception class for the migrate module.
+ */
+
+class MigrateException extends Exception {
+  protected $level;
+  public function getLevel() {
+    return $this->level;
+  }
+
+  public function __construct($message, $level = Migration::MESSAGE_ERROR) {
+    $this->level = $level;
+    parent::__construct($message);
+  }
+}