How to add proevents package in concrete 5.8

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When i try to add the pro events package i am getting this error

Call to a member function getController() on a non-object

Exception Occurred: concrete\src\Attribute\Category\AbstractCategory.php:129 Call to a member function getController() on a non-object

 
PineCreativeLabs replied on at Permalink Reply
PineCreativeLabs
It looks like ProEvents is no longer supported, so this likely won't install anymore.