I use Salon Booking System-free.
It worked fine at first and I didn’t even add any plugins. When I was working on it, I suddenly got an error. The error is below.
Click Update Settings on the settings screen
“This site has encountered a serious error.”
occurred. It will return when you reload. settings are reflected.
to the server
Uncaught Error: Call to a member function add_cap() on null in /home/bij-marketing/www/pb-doc/wp-content/plugins/salon-booking-system/src/SLN/UserRole/SalonStaff.php:113
Stack trace:
#0 /home/bij-marketing/www/pb-doc/wp-content/plugins/salon-booking-system/src/SLN/Admin/SettingTabs/GeneralTab.php(187): SLN_UserRole_SalonStaff::addCapabilities()
#1 /home/bij-marketing/www/pb-doc/wp-content/plugins/salon-booking-system/src/SLN/Admin/SettingTabs/AbstractTab.php(61): SLN_Admin_SettingTabs_GeneralTab->postProcess()
#2 /home/bij-marketing/www/pb-doc/wp-content/plugins/salon-booking-system/src/SLN/Admin/SettingTabs/AbstractTab.php(23): SLN_Admin_SettingTabs_AbstractTab->process()
#3 /home/bij-marketing/www/pb-doc/wp-content/plugins/salon-booking-system/src/SLN/Admin/Settings.php(53): SLN_Admin_SettingTabs_AbstractTab->__construct()
#4 /home/bij-marketing/www/pb-doc/wp-includes/class-wp-hook.php(308): SLN_Admin_Settings->show()
#5 /home/bij-marketing/www/pb-doc/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filte
error message.
WordPress is the latest version.
Plugins are up to date.
Is there any solution?
The site is working without any problems, and there are no other management screens.
Due to an error in the management screen, the link cannot be pasted.
Does anyone have a similar phenomenon?
I would be happy if you could teach me.