PHP Fatal error: Call to a member function getEntityTypeId() on string in ...../ForwardLinkBlock.php

Problem/Motivation

If a view is added to a menu tab of a route using an entity, e.g. user/1/example (views path user/%user/example) viewing that page results in the following exception: -

PHP Fatal error: Call to a member function getEntityTypeId() on string in ...../ForwardLinkBlock.php

Proposed resolution

Alter the check on line 142 to: -

if ($entity && $entity instanceof EntityInterface) {

Remaining tasks

Patch and test module