EE3 DP2 - Errors after attempting to remove duplicate category.

#0 /home/hbn1211/edit/ee/EllisLab/ExpressionEngine/Service/Model/Query/Select.php(299):
   EllisLab\ExpressionEngine\Service\Model\DataStore->getRelation('Category', 'recursion')

#1 /home/hbn1211/edit/ee/EllisLab/ExpressionEngine/Service/Model/Query/Select.php(316):
   EllisLab\ExpressionEngine\Service\Model\Query\Select->recurseWiths(Object(EllisLab\ExpressionEngine\Service\Database\Query), 'Category', 'Parent', Array)

#2 /home/hbn1211/edit/ee/EllisLab/ExpressionEngine/Service/Model/Query/Select.php(287):
   EllisLab\ExpressionEngine\Service\Model\Query\Select->recurseWiths(Object(EllisLab\ExpressionEngine\Service\Database\Query), 'Category', 'Category', Array)

#3 /home/hbn1211/edit/ee/EllisLab/ExpressionEngine/Service/Model/Query/Select.php(65):
   EllisLab\ExpressionEngine\Service\Model\Query\Select->processWiths(Object(EllisLab\ExpressionEngine\Service\Database\Query), 'Category', 'Category')

#4 /home/hbn1211/edit/ee/EllisLab/ExpressionEngine/Service/Model/Query/Select.php(42):
   EllisLab\ExpressionEngine\Service\Model\Query\Select->buildQuery()

#5 /home/hbn1211/edit/ee/EllisLab/ExpressionEngine/Service/Model/DataStore.php(304):
   EllisLab\ExpressionEngine\Service\Model\Query\Select->run()

#6 /home/hbn1211/edit/ee/EllisLab/ExpressionEngine/Service/Model/DataStore.php(250):
   EllisLab\ExpressionEngine\Service\Model\DataStore->runQuery('Select', Object(EllisLab\ExpressionEngine\Service\Model\Query\Builder))

#7 /home/hbn1211/edit/ee/EllisLab/ExpressionEngine/Service/Model/Query/Builder.php(149):
   EllisLab\ExpressionEngine\Service\Model\DataStore->selectQuery(Object(EllisLab\ExpressionEngine\Service\Model\Query\Builder))

#8 /home/hbn1211/edit/ee/EllisLab/ExpressionEngine/Service/Model/Query/Builder.php(73):
   EllisLab\ExpressionEngine\Service\Model\Query\Builder->fetch()

#9 /home/hbn1211/edit/ee/EllisLab/ExpressionEngine/Service/Model/Query/Delete.php(86):
   EllisLab\ExpressionEngine\Service\Model\Query\Builder->all()

#10 /home/hbn1211/edit/ee/EllisLab/ExpressionEngine/Service/Model/DataStore.php(304):
   EllisLab\ExpressionEngine\Service\Model\Query\Delete->run()

#11 /home/hbn1211/edit/ee/EllisLab/ExpressionEngine/Service/Model/DataStore.php(280):
   EllisLab\ExpressionEngine\Service\Model\DataStore->runQuery('Delete', Object(EllisLab\ExpressionEngine\Service\Model\Query\Builder))

#12 /home/hbn1211/edit/ee/EllisLab/ExpressionEngine/Service/Model/Query/Builder.php(97):
   EllisLab\ExpressionEngine\Service\Model\DataStore->deleteQuery(Object(EllisLab\ExpressionEngine\Service\Model\Query\Builder))

#13 /home/hbn1211/edit/ee/EllisLab/ExpressionEngine/Controllers/Channels/Cat.php(565):
   EllisLab\ExpressionEngine\Service\Model\Query\Builder->delete()

#14 [internal function]:
   EllisLab\ExpressionEngine\Controllers\Channels\Cat->removeCat()

#15 /home/hbn1211/edit/ee/EllisLab/ExpressionEngine/Core/Core.php(191):
   call_user_func_array(Array, Array)

#16 /home/hbn1211/edit/ee/EllisLab/ExpressionEngine/Core/Core.php(93):
   EllisLab\ExpressionEngine\Core\Core->runController(Array)

#17 /home/hbn1211/edit/ee/EllisLab/ExpressionEngine/Boot/boot.php(138):
   EllisLab\ExpressionEngine\Core\Core->run(Object(EllisLab\ExpressionEngine\Core\Request))

#18 /home/hbn1211/public_html/edit.php(143):
   require_once('/home/hbn1211/e...')

#19 {main}
Fatal Error.