error in error_log file #1

Rencontre seems to be running fine. But inspection of the error logs shows.

[17-Oct-2024 14:02:49 UTC] PHP Warning: Attempt to read property “d_session” on null in /home/myusername/public_html/mywebsite.net/wp-content/plugins/rencontre/inc/rencontre_widget.php on line 331
[17-Oct-2024 14:02:49 UTC] PHP Fatal error: Uncaught Error: Attempt to assign property “online” on null in /home/myusername/public_html/mywebsite.net/wp-content/plugins/rencontre/inc/rencontre_widget.php:331
Stack trace: 0 /home/myusername/public_html/mywebsite.net/wp-content/plugins/rencontre/inc/rencontre_filter.php(30): RencontreWidget->widget() 1 /home/myusername/public_html/mywebsite.net/wp-includes/shortcodes.php(434): f_shortcode_rencontre() 2 [internal function]: do_shortcode_tag() 3 /home/myusername/public_html/mywebsite.net/wp-includes/shortcodes.php(273): preg_replace_callback() 4 /home/myusername/public_html/mywebsite.net/wp-includes/class-wp-hook.php(324): do_shortcode() 5 /home/myusername/public_html/mywebsite.net/wp-includes/plugin.php(205): WP_Hook->apply_filters() 6 /home/myusername/public_html/mywebsite.net/wp-includes/post-template.php(256): apply_filters() 7 /home/myusername/public_html/mywebsite.net/wp-content/themes/twentyseventeen/template-parts/page/content-page.php(22): the_content() 8 /home/myusername/public_html/mywebsite.net/wp-includes/template.php(812): require(‘/home/l28pdwfcd…’) 9 /home/myusername/public_html/mywebsite.net/wp-includes/template.php(745): load_template() 10 /home/myusername/public_html/mywebsite.net/wp-includes/general-template.php(206): locate_template() 11 /home/myusername/public_html/mywebsite.net/wp-content/themes/twentyseventeen/page.php(28): get_template_part() 12 /home/myusername/public_html/mywebsite.net/wp-includes/template-loader.php(106): include(‘/home/l28pdwfcd…’) 13 /home/myusername/public_html/mywebsite.net/wp-blog-header.php(19): require_once(‘/home/l28pdwfcd…’) 14 /home/myusername/public_html/mywebsite.net/index.php(17): require(‘/home/l28pdwfcd…’) 15 {main}

thrown in /home/myusername/public_html/mywebsite.net/wp-content/plugins/rencontre/inc/rencontre_widget.php on line 331