How to reproduce:
Have a tracker without a Semantic status defined
Have the plugin Velocity enabled
In tracker semantic administration, a fatal error is raised:
Fatal error: Uncaught Error: Call to a member function isMultiple() on null in /usr/share/tuleap/plugins/velocity/include/Velocity/Semantic/SemanticVelocityPresenterBuilder.php on line 74
( ! ) Error: Call to a member function isMultiple() on null in /usr/share/tuleap/plugins/velocity/include/Velocity/Semantic/SemanticVelocityPresenterBuilder.php on line 74