Multiple errors while trying to edit media in a gallery

Hi I am running dev version of media gallery and media 2.x dev version. When I try to edit the title, description, tags, or license fields for a photo/video in a gallery by selecting "Edit Media" tab, the following errors are displayed.

• Notice: Undefined index: access in _menu_translate() (line 792 of C:\_BACKUPS\DrupalCore7.12\drupal-7.12\includes\menu.inc).
• Notice: Undefined index: access in menu_get_item() (line 478 of C:\_BACKUPS\DrupalCore7.12\drupal-7.12\includes\menu.inc).
• Notice: Undefined index: access in menu_execute_active_handler() (line 513 of C:\_BACKUPS\DrupalCore7.12\drupal-7.12\includes\menu.inc).
• Notice: Undefined index: access in menu_local_tasks() (line 1921 of C:\_BACKUPS\DrupalCore7.12\drupal-7.12\includes\menu.inc).
• Notice: Undefined index: access in menu_tree_page_data() (line 1222 of C:\_BACKUPS\DrupalCore7.12\drupal-7.12\includes\menu.inc).
• Notice: Undefined index: access in menu_tree_page_data() (line 1222 of C:\_BACKUPS\DrupalCore7.12\drupal-7.12\includes\menu.inc).
• Notice: Undefined index: access in menu_tree_page_data() (line 1222 of C:\_BACKUPS\DrupalCore7.12\drupal-7.12\includes\menu.inc).

Also, when i view a photo/video and select the "Edit" tab for that individual photo/video, I am shown the following errors:

• Notice: Undefined index: media_edit in drupal_retrieve_form() (line 752 of C:\_BACKUPS\DrupalCore7.12\drupal-7.12\includes\form.inc).
• Warning: call_user_func_array() expects parameter 1 to be a valid callback, function 'media_edit' not found or invalid function name indrupal_retrieve_form() (line 787 of C:\_BACKUPS\DrupalCore7.12\drupal-7.12\includes\form.inc).
• Notice: Undefined index: field_license in media_gallery_form_alter() (line 830 of C:\_BACKUPS\DrupalCore7.12\drupal-7.12\sites\all\modules\media_gallery\media_gallery.module).

Please advise on any thoughts or next steps.

Thanks