diff --git a/mod/workshop/form/numerrors/backup/moodle2/backup_workshopform_numerrors_subplugin.class.php b/mod/workshop/form/numerrors/backup/moodle2/backup_workshopform_numerrors_subplugin.class.php
index a355339eb86..78cf7324d50 100644
--- a/mod/workshop/form/numerrors/backup/moodle2/backup_workshopform_numerrors_subplugin.class.php
+++ b/mod/workshop/form/numerrors/backup/moodle2/backup_workshopform_numerrors_subplugin.class.php
@@ -16,11 +16,12 @@
 // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
 
 /**
- * @package    workshopform_numerrors
- * @subpackage backup-moodle2
- * @copyright  2010 David Mudrak <david@moodle.com>
+ * @package    workshopform
+ * @subpackage numerrors
+ * @copyright  2010 onwards David Mudrak <david@moodle.com>
  * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  */
+
 defined('MOODLE_INTERNAL') || die();
 
 /**
diff --git a/mod/workshop/form/numerrors/backup/moodle2/restore_workshopform_numerrors_subplugin.class.php b/mod/workshop/form/numerrors/backup/moodle2/restore_workshopform_numerrors_subplugin.class.php
new file mode 100644
index 00000000000..115f44b600b
--- /dev/null
+++ b/mod/workshop/form/numerrors/backup/moodle2/restore_workshopform_numerrors_subplugin.class.php
@@ -0,0 +1,176 @@
+<?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/>.
+
+/**
+ * @package    workshopform
+ * @subpackage numerrors
+ * @copyright  2010 onwards David Mudrak <david@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * restore subplugin class that provides the necessary information
+ * needed to restore one workshopform_numerrors subplugin.
+ */
+class restore_workshopform_numerrors_subplugin extends restore_subplugin {
+
+    ////////////////////////////////////////////////////////////////////////////
+    // mappings of XML paths to the processable methods
+    ////////////////////////////////////////////////////////////////////////////
+
+    /**
+     * Returns the paths to be handled by the subplugin at workshop level
+     */
+    protected function define_workshop_subplugin_structure() {
+
+        $paths = array();
+
+        $elename = $this->get_namefor('map');
+        $elepath = $this->get_pathfor('/workshopform_numerrors_map'); // we used get_recommended_name() so this works
+        $paths[] = new restore_path_element($elename, $elepath);
+
+        $elename = $this->get_namefor('dimension');
+        $elepath = $this->get_pathfor('/workshopform_numerrors_dimension'); // we used get_recommended_name() so this works
+        $paths[] = new restore_path_element($elename, $elepath);
+
+        return $paths; // And we return the interesting paths
+    }
+
+    /**
+     * Returns the paths to be handled by the subplugin at referenceassessment level
+     */
+    protected function define_referenceassessment_subplugin_structure() {
+
+        $paths = array();
+
+        $elename = $this->get_namefor('referencegrade');
+        $elepath = $this->get_pathfor('/workshopform_numerrors_referencegrade'); // we used get_recommended_name() so this works
+        $paths[] = new restore_path_element($elename, $elepath);
+
+        return $paths; // And we return the interesting paths
+    }
+
+    /**
+     * Returns the paths to be handled by the subplugin at exampleassessment level
+     */
+    protected function define_exampleassessment_subplugin_structure() {
+
+        $paths = array();
+
+        $elename = $this->get_namefor('examplegrade');
+        $elepath = $this->get_pathfor('/workshopform_numerrors_examplegrade'); // we used get_recommended_name() so this works
+        $paths[] = new restore_path_element($elename, $elepath);
+
+        return $paths; // And we return the interesting paths
+    }
+
+    /**
+     * Returns the paths to be handled by the subplugin at assessment level
+     */
+    protected function define_assessment_subplugin_structure() {
+
+        $paths = array();
+
+        $elename = $this->get_namefor('grade');
+        $elepath = $this->get_pathfor('/workshopform_numerrors_grade'); // we used get_recommended_name() so this works
+        $paths[] = new restore_path_element($elename, $elepath);
+
+        return $paths; // And we return the interesting paths
+    }
+
+    ////////////////////////////////////////////////////////////////////////////
+    // defined path elements are dispatched to the following methods
+    ////////////////////////////////////////////////////////////////////////////
+
+    /**
+     * Processes the workshopform_numerrors_map element
+     */
+    public function process_workshopform_numerrors_map($data) {
+        global $DB;
+
+        $data = (object)$data;
+        $data->workshopid = $this->get_new_parentid('workshop');
+        $DB->insert_record('workshopform_numerrors_map', $data);
+    }
+
+    /**
+     * Processes the workshopform_numerrors_dimension element
+     */
+    public function process_workshopform_numerrors_dimension($data) {
+        global $DB;
+
+        $data = (object)$data;
+        $oldid = $data->id;
+
+        $data->workshopid = $this->get_new_parentid('workshop');
+
+        $newitemid = $DB->insert_record('workshopform_numerrors', $data);
+        $this->set_mapping('workshopform_numerrors', $oldid, $newitemid, true);
+
+        // Process files for this workshopform_numerrors->id only
+        $this->add_related_files('workshopform_numerrors', 'description', 'workshopform_numerrors', null, $oldid);
+    }
+
+    /**
+     * Processes the workshopform_numerrors_referencegrade element
+     */
+    public function process_workshopform_numerrors_referencegrade($data) {
+        $this->process_dimension_grades_structure('workshop_referenceassessment', $data);
+    }
+
+    /**
+     * Processes the workshopform_numerrors_examplegrade element
+     */
+    public function process_workshopform_numerrors_examplegrade($data) {
+        $this->process_dimension_grades_structure('workshop_exampleassessment', $data);
+    }
+
+    /**
+     * Processes the workshopform_numerrors_grade element
+     */
+    public function process_workshopform_numerrors_grade($data) {
+        $this->process_dimension_grades_structure('workshop_assessment', $data);
+    }
+
+    ////////////////////////////////////////////////////////////////////////////
+    // internal private methods
+    ////////////////////////////////////////////////////////////////////////////
+
+    /**
+     * Process the dimension grades linked with the given type of assessment
+     *
+     * Populates the workshop_grades table with new records mapped to the restored
+     * instances of assessments.
+     *
+     * @param mixed $elementname the name of the assessment element
+     * @param array $data parsed xml data
+     */
+    private function process_dimension_grades_structure($elementname, $data) {
+        global $DB;
+
+        $data = (object)$data;
+        $oldid = $data->id;
+
+        $data->assessmentid = $this->get_new_parentid($elementname);
+        $data->strategy = 'numerrors';
+        $data->dimensionid = $this->get_mappingid('workshopform_numerrors', $data->dimensionid);
+
+        $DB->insert_record('workshop_grades', $data);
+    }
+}