Error Details
=============
An error of type E_ERROR was caused in line 22 of the file /home/vxxx01/domains/mysite.com/public_html/wp-content/plugins/wp-slimstat-user-overview/index.php. Error message: Uncaught Error: Access to undeclared static property wp_slimstat::$update_checker in /home/vxxx01/domains/mysite.com/public_html/wp-content/plugins/wp-slimstat-user-overview/index.php:22
Stack trace:
#0 /home/vxxx01/domains/mysite.com/public_html/wp-includes/class-wp-hook.php(308): wp_slimstat_user_overview::init()
#1 /home/vxxx01/domains/mysite.com/public_html/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters()
#2 /home/vxxx01/domains/mysite.com/public_html/wp-includes/plugin.php(517): WP_Hook->do_action()
#3 /home/vxxx01/domains/mysite.com/public_html/wp-settings.php(486): do_action()
#4 /home/vxxx01/domains/mysite.com/public_html/wp-config.php(246): require_once('/home/vxxx01...')
#5 /home/vxxx01/domains/mysite.com/public_html/wp-load.php(50): require_once('/home/vxxx01...')
#6 /home/vxxx01/domains/mysite.com/public_html/wp-admin/admin.php(34): require_once('/home/vxxx01...')
#7 /home/vxxx01/domains/mysite.com/public_html/wp-admin/index.php(10): require_once('/home/vxxx01...')
#8 {main}
thrown
No errors if I disable following 3 addons:
Slimstat Analytics - User Overview (Version 3.7.3)
Slimstat Analytics - Heartbeat (Version 1.4)
Slimstat Analytics - Firewall Fix
So where can I download Addons?
Thank you