[Error] Unable to resolve class for "view.venue.avatar"

Receiving the follow error:
All-in-One Event Calendar has been disabled due to an error:

Failure in All-in-One Event Calendar core:
Unable to resolve class for “view.venue.avatar”

Error Details:
#0 D:\Hosting\11791253\html\wp-content\plugins\all-in-one-event-calendar-venue\app\controller\ai1ecv.php(371): Ai1ec_Registry_Object->get(‘view.venue.avat…’)
#1 D:\Hosting\11791253\html\wp-content\plugins\all-in-one-event-calendar\lib\bootstrap\registry\object.php(209): Ai1ec_Controller_Ai1ecv->ai1ec_avatar_valid_callbacks(Array)
#2 D:\Hosting\11791253\html\wp-content\plugins\all-in-one-event-calendar\lib\event\callback\abstract.php(59): Ai1ec_Registry_Object->dispatch(‘controller.ai1e…’, ‘ai1ec_avatar_va…’, Array)
#3 [internal function]: Ai1ec_Event_Callback_Abstract->run(Array)
#4 D:\Hosting\11791253\html\wp-includes\plugin.php(235): call_user_func_array(Array, Array)
#5 D:\Hosting\11791253\html\wp-content\plugins\all-in-one-event-calendar\app\view\event\avatar.php(351): apply_filters(‘ai1ec_avatar_va…’, Array)
#6 D:\Hosting\11791253\html\wp-content\plugins\all-in-one-event-calendar\app\view\event\avatar.php(111): Ai1ec_View_Event_Avatar->_get_valid_fallbacks()
#7 D:\Hosting\11791253\html\wp-content\plugins\all-in-one-event-calendar\app\view\event\avatar.php(42): Ai1ec_View_Event_Avatar->get_event_avatar_url(Object(Ai1ec_Event_Compatibility), Array, NULL, NULL)
#8 D:\Hosting\11791253\html\wp-content\plugins\all-in-one-event-calendar\app\model\event.php(380): Ai1ec_View_Event_Avatar->get_event_avatar(Object(Ai1ec_Event_Compatibility), Array, ”, true)
#9 D:\Hosting\11791253\html\wp-content\plugins\all-in-one-event-calendar\app\view\calendar\view\agenda.php(276): Ai1ec_Event->getavatar()
#10 D:\Hosting\11791253\html\wp-content\plugins\all-in-one-event-calendar\app\view\calendar\view\agenda.php(67): Ai1ec_Calendar_View_Agenda->get_agenda_like_date_array(Array, Object(Ai1ec_Request_Parser))
#11 D:\Hosting\11791253\html\wp-content\plugins\all-in-one-event-calendar\app\view\calendar\page.php(114): Ai1ec_Calendar_View_Agenda->get_content(Array)
#12 D:\Hosting\11791253\html\wp-content\plugins\all-in-one-event-calendar\lib\command\render-calendar.php(74): Ai1ec_Calendar_Page->get_content(Object(Ai1ec_Request_Parser))
#13 D:\Hosting\11791253\html\wp-content\plugins\all-in-one-event-calendar\lib\command\abstract.php(76): Ai1ec_Command_Render_Calendar->do_execute()
#14 D:\Hosting\11791253\html\wp-content\plugins\all-in-one-event-calendar\app\controller\front.php(162): Ai1ec_Command->execute()
#15 [internal function]: Ai1ec_Front_Controller->route_request(”)
#16 D:\Hosting\11791253\html\wp-includes\plugin.php(525): call_user_func_array(Array, Array)
#17 D:\Hosting\11791253\html\wp-includes\template-loader.php(12): do_action(‘template_redire…’)
#18 D:\Hosting\11791253\html\wp-blog-header.php(16): require_once(‘D:\Hosting\1179…’)
#19 D:\Hosting\11791253\html\index.php(17): require(‘D:\Hosting\1179…’)
#20 {main}

Request Uri: /?page_id=1460

https://www.ads-software.com/plugins/all-in-one-event-calendar/