Conflict with Suki Pro Plugin

This error crashed the site. I assume it is a conflict with Suki Pro Plugin because my other sites using Scriptless Social Sharing are fine (and most of my sites have very similar plugin sets). See error below.

[19-May-2021 19:53:17 UTC] PHP Fatal error: Uncaught TypeError: method_exists(): Argument #1 ($object_or_class) must be of type object|string, null given in /wp-content/plugins/scriptless-social-sharing/includes/output/class-scriptlesssocialsharing-output.php:79
Stack trace:
#0 /wp-content/plugins/scriptless-social-sharing/includes/output/class-scriptlesssocialsharing-output.php(79): method_exists(NULL, ‘is_block_editor’)
#1 /wp-content/plugins/scriptless-social-sharing/includes/output/class-scriptlesssocialsharing-output.php(40): ScriptlessSocialSharingOutput->is_block_editor()
#2 /wp-content/plugins/scriptless-social-sharing/includes/output/class-scriptlesssocialsharing-output-buttons.php(56): ScriptlessSocialSharingOutput->can_do_buttons()
#3 /wp-includes/class-wp-hook.php(292): ScriptlessSocialSharingOutputButtons->load_styles(”)
#4 /wp-includes/class-wp-hook.php(316): WP_Hook->apply_filters(NULL, Array)
#5 /wp-includes/plugin.php(484): WP_Hook->do_action(Array)
#6 /wp-includes/script-loader.php(2027): do_action(‘wp_enqueue_scri…’)
#7 /wp-includes/class-wp-hook.php(292): wp_enqueue_scripts(”)
#8 /wp-includes/class-wp-hook.php(316): WP_Hook->apply_filters(NULL, Array)
#9 /wp-includes/plugin.php(484): WP_Hook->do_action(Array)
#10 /wp-includes/general-template.php(3009): do_action(‘wp_head’)
#11 /wp-content/themes/suki/header.php(22): wp_head()
#12 /wp-includes/template.php(730): require_once(‘/chroot/home/a9…’)
#13 /wp-includes/template.php(676): load_template(‘/chroot/home/a9…’, true, Array)
#14 /wp-includes/general-template.php(48): locate_template(Array, true, true, Array)
#15 /wp-content/themes/suki/page.php(21): get_header()
#16 /wp-includes/template-loader.php(106): include(‘/chroot/home/a9…’)
#17 /wp-blog-header.php(19): require_once(‘/chroot/home/a9…’)
#18 /index.php(17): require(‘/chroot/home/a9…’)
#19 {main}
thrown in /wp-content/plugins/scriptless-social-sharing/includes/output/class-scriptlesssocialsharing-output.php on line 79

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