(Info) Warnings in archetypes (Plugin Version 7.1.7)

Hi, i get a warning if i save an existing archetype from wp-admin/edit.php?post_type=event&page=events-manager-options#general+archetypes

Warning: Undefined array key "cpt" in .../wp-content/plugins/events-manager/classes/em-archetypes-admin.php on line 212

Warning: Undefined array key "cpts" in .../wp-content/plugins/events-manager/classes/em-archetypes-admin.php on line 224

Warning: Cannot modify header information - headers already sent by (output started at .../wp-content/plugins/events-manager/classes/em-archetypes-admin.php:212) in .../wp-content/plugins/events-manager/classes/em-notices.php on line 54