Delete All is not working + Critical error

Hello, excellent plugin

I created two images and then tried to delete them using the Delete All option but nothing gets deleted and causes a fatal error:

[11-Apr-2023 19:04:06 UTC] PHP Fatal error:  Uncaught TypeError: array_map(): Argument #2 ($array) must be of type array, string given in /home/pejcic/XXXXX.com/wp-content/plugins/liquid-speech-balloon/liquid-speech-balloon.php:137
Stack trace:
#0 /home/pejcic/XXXXX.com/wp-content/plugins/liquid-speech-balloon/liquid-speech-balloon.php(137): array_map()
#1 /home/pejcic/XXXXX.com/wp-includes/class-wp-hook.php(308): liquid_speech_balloon_admin_page()
#2 /home/pejcic/XXXXX.com/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters()
#3 /home/pejcic/XXXXX.com/wp-includes/plugin.php(517): WP_Hook->do_action()
#4 /home/pejcic/XXXXX.com/wp-admin/admin.php(259): do_action()
#5 /home/pejcic/XXXXX.com/wp-admin/options-general.php(10): require_once('/home/pejcic/pl...')
#6 {main}
  thrown in /home/pejcic/XXXXX.com/wp-content/plugins/liquid-speech-balloon/liquid-speech-balloon.php on line 137

WP 6.2 running on PHP 8.2- default theme and no other plugins