InvalidArgumentException: Host must be a string in /home/blind/public_html/plugins/dpcalendar/google/vendor/guzzlehttp/psr7/src/Uri.php:611
Stack trace:
#0 /home/blind/public_html/plugins/dpcalendar/google/vendor/guzzlehttp/psr7/src/Uri.php(458): GuzzleHttp\Psr7\Uri->filterHost(NULL)
#1 /home/blind/public_html/plugins/dpcalendar/google/vendor/guzzlehttp/guzzle/src/Client.php(245): GuzzleHttp\Psr7\Uri->withHost(NULL)
#2 /home/blind/public_html/plugins/dpcalendar/google/vendor/guzzlehttp/guzzle/src/Client.php(113): GuzzleHttp\Client->buildUri(Object(GuzzleHttp\Psr7\Uri), Array)
#3 /home/blind/public_html/plugins/dpcalendar/google/vendor/guzzlehttp/guzzle/src/Client.php(130): GuzzleHttp\Client->sendAsync(Object(GuzzleHttp\Psr7\Request), Array)
#4 /home/blind/public_html/plugins/dpcalendar/google/vendor/google/auth/src/HttpHandler/Guzzle6HttpHandler.php(34): GuzzleHttp\Client->send(Object(GuzzleHttp\Psr7\Request), Array)
#5 /home/blind/public_html/plugins/dpcalendar/google/vendor/google/auth/src/OAuth2.php(502): Google\Auth\HttpHandler\Guzzle6HttpHandler->__invoke(Object(GuzzleHttp\Psr7\Request))
#6 /home/blind/public_html/plugins/dpcalendar/google/vendor/google/apiclient/src/Google/Client.php(282): Google\Auth\OAuth2->fetchAuthToken(Object(Google\Auth\HttpHandler\Guzzle6HttpHandler))
#7 /home/blind/public_html/plugins/dpcalendar/google/vendor/google/apiclient/src/Google/Client.php(259): Google_Client->fetchAccessTokenWithRefreshToken('1/7KkUc8igj35Tu...')
#8 /home/blind/public_html/plugins/dpcalendar/google/google.php(140): Google_Client->refreshToken('1/7KkUc8igj35Tu...')
#9 [internal function]: PlgDPCalendarGoogle->fetchEvents('1', Object(Joomla\CMS\Date\Date), NULL, Object(Joomla\Registry\Registry))
#10 /home/blind/public_html/libraries/src/Cache/Controller/CallbackController.php(173): call_user_func_array(Array, Array)
#11 /home/blind/public_html/administrator/components/com_dpcalendar/libraries/dpcalendar/DPCalendar/Plugin/DPCalendarPlugin.php(409): Joomla\CMS\Cache\Controller\CallbackController->get(Array, Array)
#12 /home/blind/public_html/administrator/components/com_dpcalendar/libraries/dpcalendar/DPCalendar/Plugin/SyncPlugin.php(222): DPCalendar\Plugin\DPCalendarPlugin->onEventsFetch('g-1', Object(Joomla\CMS\Date\Date), NULL, Object(Joomla\Registry\Registry))
#13 /home/blind/public_html/libraries/joomla/event/event.php(70): DPCalendar\Plugin\SyncPlugin->onEventsFetch('g-1', Object(Joomla\CMS\Date\Date), NULL, Object(Joomla\Registry\Registry))
#14 /home/blind/public_html/libraries/joomla/event/dispatcher.php(160): JEvent->update(Array)
#15 /home/blind/public_html/libraries/src/Application/BaseApplication.php(108): JEventDispatcher->trigger('oneventsfetch', Array)
#16 /home/blind/public_html/components/com_dpcalendar/models/events.php(87): Joomla\CMS\Application\BaseApplication->triggerEvent('onEventsFetch', Array)
#17 /home/blind/public_html/modules/mod_dpcalendar_upcoming/mod_dpcalendar_upcoming.php(94): DPCalendarModelEvents->getItems()
#18 /home/blind/public_html/libraries/src/Helper/ModuleHelper.php(200): include('/home/blind/pub...')
#19 /home/blind/public_html/libraries/src/Document/Renderer/Html/ModuleRenderer.php(98): Joomla\CMS\Helper\ModuleHelper::renderModule(Object(stdClass), Array)
#20 /home/blind/public_html/libraries/src/Document/Renderer/Html/ModulesRenderer.php(47): Joomla\CMS\Document\Renderer\Html\ModuleRenderer->render(Object(stdClass), Array, NULL)
#21 /home/blind/public_html/libraries/src/Document/HtmlDocument.php(501): Joomla\CMS\Document\Renderer\Html\ModulesRenderer->render('position-3', Array, NULL)
#22 /home/blind/public_html/libraries/src/Document/HtmlDocument.php(793): Joomla\CMS\Document\HtmlDocument->getBuffer('modules', 'position-3', Array)
#23 /home/blind/public_html/libraries/src/Document/HtmlDocument.php(567): Joomla\CMS\Document\HtmlDocument->_renderTemplate()
#24 /home/blind/public_html/libraries/src/Application/CMSApplication.php(1090): Joomla\CMS\Document\HtmlDocument->render(false, Array)
#25 /home/blind/public_html/libraries/src/Application/SiteApplication.php(778): Joomla\CMS\Application\CMSApplication->render()
#26 /home/blind/public_html/libraries/src/Application/CMSApplication.php(209): Joomla\CMS\Application\SiteApplication->render()
#27 /home/blind/public_html/index.php(49): Joomla\CMS\Application\CMSApplication->execute()
#28 {main}