Fatal error: Uncaught TypeError: Argument 1 passed to WP_Defender\Component\Security_Tweaks\Prevent_Enum_Users::maybe_block() must be of the type string, null given, called in /home/klient.dhosting.pl/trojcaorg/papierplusdruk.pl/public_html/wp-includes/class-wp-hook.php on line 310 and defined in /home/klient.dhosting.pl/trojcaorg/papierplusdruk.pl/public_html/wp-content/plugins/defender-security/src/component/security-tweaks/prevent-enum-users.php:89 Stack trace: #0 /home/klient.dhosting.pl/trojcaorg/papierplusdruk.pl/public_html/wp-includes/class-wp-hook.php(310): WP_Defender\Component\Security_Tweaks\Prevent_Enum_Users->maybe_block(NULL) #1 /home/klient.dhosting.pl/trojcaorg/papierplusdruk.pl/public_html/wp-includes/plugin.php(205): WP_Hook->apply_filters(NULL, Array) #2 /home/klient.dhosting.pl/trojcaorg/papierplusdruk.pl/public_html/wp-includes/canonical.php(791): apply_filters('redirect_canoni...', 'https://papierp...', 'https://papierp...') #3 /home/klient.dhosting.pl/trojcaorg/papierplusdruk.pl/public_html/wp-incl in /home/klient.dhosting.pl/trojcaorg/papierplusdruk.pl/public_html/wp-content/plugins/defender-security/src/component/security-tweaks/prevent-enum-users.php on line 89