Warning: Illegal string offset 'RAW' in /usr/local/www/wp-content/plugins/wordpress-ics-importer/import_ical.php on line 62

Fatal error: Uncaught Error: Cannot use string offset as an array in /usr/local/www/wp-content/plugins/wordpress-ics-importer/import_ical.php:62 Stack trace: #0 /usr/local/www/wp-content/plugins/wordpress-ics-importer/ics-functions.php(363): ics_import_parse('/usr/local/www/...') #1 /usr/local/www/wp-content/plugins/wordpress-ics-importer/ics-functions.php(31): ICalEvents::get_events(Array, 1560664318, NULL, '15') #2 /usr/local/www/wp-content/plugins/wordpress-ics-importer/ics-import.php(463): ICalEvents::display_events('http://mail.h3q...', 1560664318, NULL, '15') #3 /usr/local/www/wordpress/wp-includes/class-wp-hook.php(286): WPICSImporter->placePageCalendar('M\xC3\xB6gliche Termi...') #4 /usr/local/www/wordpress/wp-includes/plugin.php(208): WP_Hook->apply_filters('M\xC3\xB6gliche Termi...', Array) #5 /usr/local/www/wordpress/wp-includes/post-template.php(247): apply_filters('the_content', 'M\xC3\xB6gliche Termi...') #6 /usr/local/www/wp-content/themes/zoom-lite/contents/content-page.php(26): the_content() #7 /usr/local in /usr/local/www/wp-content/plugins/wordpress-ics-importer/import_ical.php on line 62