WordPress: Fatal error after upgrading User online (wp-useronline) plugin

When I upgraded the User Online plugin (wp-useronline) a short while ago, I got a Fatal Error:

Fatal error: Call to undefined method scbOptions::get_key() in …/wp-content/plugins/wp-useronline/admin.php on line 56

I looked on Google and found the WordPress Support page http://wordpress.org/support/topic/396809 and renamed the plugin folder “wp-useronline” to “xwp-useronline”.

I then went to the Plugins page on my Dashboard, and then re-installed the plugin (by searching for “wp-useronline”).

Everything working now 🙂

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