Got the following errors from node gallery

Hi folks,

I am using node_gallery module under MAMP and I got the following errors when I trying to create Gallery Image. I can not find any solutions by Google or other search engines. If anybody met the same issue before? Please help.

Notice: Undefined property: stdClass::$gid in node_gallery_form_alter() (line 418 of /Applications/MAMP/htdocs/dtheme/sites/all/modules/node_gallery/node_gallery.module).
Notice: Undefined property: stdClass::$gid in node_gallery_form_alter() (line 426 of /Applications/MAMP/htdocs/dtheme/sites/all/modules/node_gallery/node_gallery.module).
Notice: Undefined index: settings in node_gallery_list_galleries_title() (line 1196 of /Applications/MAMP/htdocs/dtheme/sites/all/modules/node_gallery/node_gallery.module).
Notice: Undefined index: view in node_gallery_change_gallery_action_form() (line 181 of /Applications/MAMP/htdocs/dtheme/sites/all/modules/node_gallery/node_gallery.actions.inc).
Notice: Trying to get property of non-object in node_gallery_change_gallery_action_form() (line 181 of /Applications/MAMP/htdocs/dtheme/sites/all/modules/node_gallery/node_gallery.actions.inc).
Notice: Undefined property: stdClass::$is_cover in node_gallery_form_alter() (line 450 of /Applications/MAMP/htdocs/dtheme/sites/all/modules/node_gallery/node_gallery.module).