ASE7.6.7 error

Hello. Thank you for the great plugin.
After updating from ASE7.6.6 to 7.6.7, a fatal error occurred on the site.
The log is below.

PHP8.3.10

Error Type E_ERROR が /home/xxxxxx/xxxxxx.com/public_html/wp-content/plugins/admin-site-enhancements/bootstrap.php The error occurred on line 272 of the file. The error message was: Uncaught Error: Call to undefined function is_plugin_active() in /home/xxxxxx/xxxxxx.com/public_html/wp-content/plugins/admin-site-enhancements/bootstrap.php:272
Stack trace:
#0 /home/xxxxxx/xxxxxx.com/public_html/wp-content/plugins/admin-site-enhancements/bootstrap.php(24): Admin_Site_Enhancements->__construct()
#1 /home/xxxxxx/xxxxxx.com/public_html/wp-content/plugins/admin-site-enhancements/bootstrap.php(1056): Admin_Site_Enhancements::get_instance()
#2 /home/xxxxxx/xxxxxx.com/public_html/wp-content/plugins/admin-site-enhancements/admin-site-enhancements.php(117): require_once('/home/xxxxxx/...')
#3 /home/xxxxxx/xxxxxx.com/public_html/wp-settings.php(526): include_once('/home/xxxxxx/...')
#4 /home/xxxxxx/xxxxxx.com/public_html/wp-config.php(100): require_once('/home/xxxxxx/...')
#5 /home/xxxxxx/xxxxxx.com/public_html/wp-load.php(50): require_once('/home/xxxxxx/...')
#6 /home/xxxxxx/xxxxxx.com/public_html/wp-admin/admin.php(34): require_once('/home/xxxxxx/...')
#7 /home/xxxxxx/xxxxxx.com/public_html/wp-admin/plugin-install.php(16): require_once('/home/xxxxxx/...')
#8 {main}
  thrown

Best Regards.