Error when trying to configure Admin Approval feature

Fatal error: Uncaught ValueError: Unknown format specifier “B” in /bitnami/wordpress/wp-content/plugins/profile-builder/admin/general-settings.php:292 Stack trace: #0 /bitnami/wordpress/wp-content/plugins/profile-builder/admin/general-settings.php(292): printf() #1 /opt/bitnami/wordpress/wp-includes/class-wp-hook.php(307): wppb_general_settings_content() #2 /opt/bitnami/wordpress/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters() #3 /opt/bitnami/wordpress/wp-includes/plugin.php(474): WP_Hook->do_action() #4 /opt/bitnami/wordpress/wp-admin/admin.php(259): do_action() #5 {main} thrown in /bitnami/wordpress/wp-content/plugins/profile-builder/admin/general-settings.php on line 292

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