WPMU DEV Dashboard Plugin Update Failure

When we attempt to update the plugin, we get the following error:

An error occurred while updating WPMU DEV Dashboard: The update cannot be installed because we will be unable to copy some files. This is usually due to inconsistent file permissions. template, shared-ui, includes, css, update-notifications.php, .gitignore, language, ._.DS_Store, .DS_Store, js, image, changelog.txt, template/popup-no-access.php, template/themes.php, template/popup-after-install-upfront.php, template/element-last-refresh.php, template/support-demo.php, template/login.php, template/popup-after-install-failed.php, template/popup-no-data-found.php, template/popup-update-info.php, template/settings.php, template/no_access.php, template/popup-wordpress-changelog.php, template/popup-project-changelog.php, template/popup-project-info.php, template/plugins.php, template/support-system.php, template/element-project-info.php, template/dashboard.php, template/popup-after-install.php, template/support.php, shared-ui/img, shared-ui/font, shared-ui/notice.js, shared-ui/wdev-ui.js, shared-ui/plugin-ui.php, shared-ui/._.DS_Store, shared-ui/.DS_Store, shared-ui/notice.css, shared-ui/wdev-ui.css, includes/class-wpmudev-dashboard-api.php, includes/class-wpmudev-dashboard-ui.php, includes/class-wpmudev-dashboard-notice.php, includes/class-wpmudev-dashboard-site.php, css/._.DS_Store, css/.DS_Store, css/dashboard.css, language/wpmudev-default.pot, js/modules.js, js/._.DS_Store, js/.DS_Store, image/devman.svg, image/support.png, image/._.DS_Store, image/.DS_Store, shared-ui/img/spin-grey.gif, shared-ui/img/._.DS_Store, shared-ui/img/.DS_Store, shared-ui/img/spin.gif, shared-ui/font/fontawesome-webfont.svg, shared-ui/font/fontawesome-webfont.woff, shared-ui/font/WPMU-DEV-App-Icons.eot, shared-ui/font/WPMU DEV Dashboard.json, shared-ui/font/WPMU-DEV-App-Icons.woff, shared-ui/font/fontawesome-webfont.eot, shared-ui/font/fontawesome-webfont.svgz, shared-ui/font/fontawesome-webfont.ttf, shared-ui/font/WPMU-DEV-App-Icons.ttf, shared-ui/font/WPMU-DEV-App-Icons.svg, shared-ui/font/._WPMU-DEV-App-Icons.svg