This error occurs on a white page when you attempt to access the plugin or theme settings page from the WordPress admin
- Ensure you are following the full process to access the page and are not using a bookmark or shortcut (Login to WordPress and click on the Theme Options or plugin link on the left-hand navigation menu)
- If you have any plugins installed that modify your WordPress Admin or user roles, temporarily deactivate them and try again
- If you are on a WordPress Multi-user install, ensure you have full Admin rights. For plugins such as Obox Mobile and Social Commerce, the plugin may need to be installed and configured at the network level.
- If you have modified the theme or plugin, make a backup of your modifications and then reinstall using a fresh unmodified copy and verify access now works.
Check your wp_config.php or any modified functions file for customized functions that modify user roles. The following in particular will impede access to several features in the WP admin: