Fatal error with "Ends Repeat" set to "On Date" without a populating the date

[corneliusio]

If you save an entry with "Ends Repeat" set to "On Date" but do not populate the field with a date, the entry becomes completely inaccessible from the admin.

TypeError: unionco\calendarize\models\Occurrence::__construct(): Argument #2 ($next) must be of type DateTime, null given, called in /var/www/html/vendor/unionco/calendarize/src/models/CalendarizeModel.php on line 190 and defined in /var/www/html/vendor/unionco/calendarize/src/models/Occurrence.php:46
Stack trace:
#0 /var/www/html/vendor/unionco/calendarize/src/models/CalendarizeModel.php(190): unionco\calendarize\models\Occurrence->__construct(Object(craft\elements\Entry), NULL, 0)
#1 /var/www/html/vendor/unionco/calendarize/src/models/CalendarizeModel.php(277): unionco\calendarize\models\CalendarizeModel->next()
#2 /var/www/html/vendor/twig/twig/src/Extension/CoreExtension.php(1607): unionco\calendarize\models\CalendarizeModel->hasPassed()
#3 /var/www/html/vendor/craftcms/cms/src/helpers/Template.php(129): twig_get_attribute(Object(craft\web\twig\Environment), Object(Twig\Source), Object(unionco\calendarize\models\CalendarizeModel), 'hasPassed', Array, 'any', false, false)
#4 /var/www/html/storage/runtime/compiled_templates/a1/a12b2c871ce302b20ffeb43d0a3809b9.php(405): craft\helpers\Template::attribute(Object(craft\web\twig\Environment), Object(Twig\Source), Object(unionco\calendarize\models\CalendarizeModel), 'hasPassed', Array)
#5 /var/www/html/vendor/twig/twig/src/Template.php(394): __TwigTemplate_06bda81dca298ae0eaf3d4a2df89d5e6->doDisplay(Array, Array)
#6 /var/www/html/vendor/twig/twig/src/Template.php(367): Twig\Template->displayWithErrorHandling(Array, Array)
#7 /var/www/html/vendor/twig/twig/src/Template.php(379): Twig\Template->display(Array)
#8 /var/www/html/vendor/twig/twig/src/TemplateWrapper.php(40): Twig\Template->render(Array, Array)
#9 /var/www/html/vendor/twig/twig/src/Environment.php(277): Twig\TemplateWrapper->render(Array)
#10 /var/www/html/vendor/craftcms/cms/src/web/View.php(482): Twig\Environment->render('calendarize/_co...', Array)
#11 /var/www/html/vendor/unionco/calendarize/src/fields/CalendarizeField.php(203): craft\web\View->renderTemplate('calendarize/_co...', Array)
#12 /var/www/html/vendor/craftcms/cms/src/fieldlayoutelements/CustomField.php(273): unionco\calendarize\fields\CalendarizeField->getInputHtml(Object(unionco\calendarize\models\CalendarizeModel), Object(craft\elements\Entry))
#13 /var/www/html/vendor/craftcms/cms/src/fieldlayoutelements/BaseField.php(235): craft\fieldlayoutelements\CustomField->inputHtml(Object(craft\elements\Entry), false)
#14 /var/www/html/vendor/craftcms/cms/src/fieldlayoutelements/CustomField.php(222): craft\fieldlayoutelements\BaseField->formHtml(Object(craft\elements\Entry), false)
#15 /var/www/html/vendor/craftcms/cms/src/web/View.php(1669): craft\fieldlayoutelements\CustomField->craft\fieldlayoutelements\{closure}()
#16 /var/www/html/vendor/craftcms/cms/src/fieldlayoutelements/CustomField.php(221): craft\web\View->namespaceInputs(Object(Closure), 'fields')
#17 /var/www/html/vendor/craftcms/cms/src/models/FieldLayout.php(738): craft\fieldlayoutelements\CustomField->formHtml(Object(craft\elements\Entry), false)
#18 /var/www/html/vendor/craftcms/cms/src/web/View.php(1663): craft\models\FieldLayout->craft\models\{closure}()
#19 /var/www/html/vendor/craftcms/cms/src/models/FieldLayout.php(737): craft\web\View->namespaceInputs(Object(Closure), NULL)
#20 /var/www/html/vendor/craftcms/cms/src/controllers/ElementsController.php(863): craft\models\FieldLayout->createForm(Object(craft\elements\Entry), false, Array)
#21 /var/www/html/vendor/craftcms/cms/src/controllers/ElementsController.php(415): craft\controllers\ElementsController->_prepareEditor(Object(craft\elements\Entry), false, true, Object(craft\web\Response), 'main-form', Object(Closure), Object(Closure), Object(Closure))
#22 [internal function]: craft\controllers\ElementsController->craft\controllers\{closure}(Object(craft\web\Response), 'main-form')
#23 /var/www/html/vendor/craftcms/cms/src/web/CpScreenResponseFormatter.php(121): call_user_func(Object(Closure), Object(craft\web\Response), 'main-form')
#24 /var/www/html/vendor/craftcms/cms/src/web/CpScreenResponseFormatter.php(49): craft\web\CpScreenResponseFormatter->_formatTemplate(Object(craft\web\Response), Object(craft\web\CpScreenResponseBehavior))
#25 /var/www/html/vendor/yiisoft/yii2/web/Response.php(1100): craft\web\CpScreenResponseFormatter->format(Object(craft\web\Response))
#26 /var/www/html/vendor/craftcms/cms/src/web/Response.php(337): yii\web\Response->prepare()
#27 /var/www/html/vendor/yiisoft/yii2/web/Response.php(340): craft\web\Response->prepare()
#28 /var/www/html/vendor/yiisoft/yii2/base/Application.php(390): yii\web\Response->send()
#29 /var/www/html/web/index.php(12): yii\base\Application->run()
#30 {main}