Fatal Error

Hello,

When logging out of my site, a fatal error occurred caused by this plugin. Here are the details:

Error Details
=============
An error of type E_ERROR was caused in line 71 of the file /home/xxxx/public_html/wp-content/plugins/gd-bbpress-tools/code/mods/signature.php. Error message: Uncaught Error: Attempt to assign property "filter" on null in /home/xxxx/public_html/wp-content/plugins/gd-bbpress-tools/code/mods/signature.php:71
Stack trace:
#0 /home/xxxx/public_html/wp-includes/class-wp-hook.php(307): GDBTOModSignature->editor_form_profile(Object(WP_User))
#1 /home/xxxx/public_html/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters(NULL, Array)
#2 /home/xxxx/public_html/wp-includes/plugin.php(476): WP_Hook->do_action(Array)
#3 /home/xxxx/public_html/wp-admin/user-edit.php(838): do_action('show_user_profi...', Object(WP_User))
#4 /home/xxxx/public_html/wp-admin/profile.php(18): require_once('/home/xxxx/...')
#5 {main}
thrown

WordPress version 6.0.1
Current plugin: GD bbPress Tools (version 3.2.1)
PHP version 8.0.20