WordPress Toolkit Uncaught Error: Call to a member function getId() on null

Symptoms

Clicking on WordPress Toolkit exhibits an such as:

Failed to parse response from backend, expected valid JSON

Description

Upon clicking on WordPress Toolkit within the cPanel interface results in the following error:

Fatal error: Uncaught Error: Call to a member function getId() on null in 
/usr/local/cpanel/3rdparty/wp-toolkit/plib/library/Application/Cpanel/CpanelTaskManager.php:80 

We have notified the WordPress Toolkit developers concerning this issue. Follow this article to receive an email notification when a solution is published in the product.