error php 8

since php 8 came out at the beginning of the year I keep getting the error in this plugin WP-PluginsUsed which is

#0 /home/XXX/public_html/wp-content/plugins/wp-pluginsused/wp-pluginsused.php(137): get_pluginsused()
#1 /home/XXX/public_html/wp-content/plugins/wp-pluginsused/wp-pluginsused.php(167): process_pluginsused()
#2 /home/XXX/public_html/wp-content/plugins/wp-pluginsused/wp-pluginsused.php(217): display_pluginsused('stats')
#3 /home/XXX/public_html/wp-includes/shortcodes.php(356): pluginsused_stats_shortcode('', '', 'stats_pluginsus...')
#4 [internal function]: do_shortcode_tag(Array)
#5 /home/XXX/public_html/wp-includes/shortcodes.php(228): preg_replace_callback('/\\[(\\[?)(stats_...', 'do_shortcode_ta...', '[stats_pluginsu...')
#6 /home/XXX/public_html/wp-includes/class-wp-hook.php(303): do_shortcode('[stats_pluginsu...')
#7 /home/XXX/public_html/wp-includes/plugin.php(189): WP_Hook->apply_filters('[stats_pluginsu...', Array)
#8 /home/XXX/public_html/wp-includes/post-template.php(253): apply_filters('the_content', '[stats_pluginsu...')
#9 /home/XXX/public_html/wp-content/themes/blog-way/template-parts/content-page.php(21): the_content()
#10 /home/XXX/public_html/wp-includes/template.php(772): require('/home/XXX/...')
#11 /home/XXX/public_html/wp-includes/template.php(716): load_template('/home/XXX/...', false, Array)
#12 /home/XXX/public_html/wp-includes/general-template.php(204): locate_template(Array, true, false, Array)
#13 /home/XXX/public_html/wp-content/themes/blog-way/page.php(27): get_template_part('template-parts/...', 'page')
#14 /home/XXX/public_html/wp-includes/template-loader.php(106): include('/home/XXX/...')
#15 /home/XXX/public_html/wp-blog-header.php(19): require_once('/home/XXX/...')
#16 /home/XXX/public_html/index.php(17): require('/home/XXX/...')
#17 {main}
  thrown in /home/XXX/public_html/wp-content/plugins/wp-pluginsused/wp-pluginsused.php on line 125