Trying to access array offset on value of type bool

I have multiple lines in error log. While the plugin seems still working, can you check and fix that, please? Thank you.

2024-01-15 12:49:28.096320 [NOTICE] [3935871] [client-ip:62265-Q:869BE298B6214C3C-0#domain.xyz-443] [STDERR] PHP Warning: Trying to access array offset on value of type bool in /home/local-folder/private_html/wp-content/plugins/loginpress/include/class-remote-notification-client.php on line 702
2024-01-15 12:49:28.096437 [NOTICE] [3935871] [client-ip:62265-Q:869BE298B6214C3C-0#domain.xyz-443] [STDERR] PHP Warning: Trying to access array offset on value of type bool in /home/local-folder/private_html/wp-content/plugins/loginpress/include/class-remote-notification-client.php on line 702
2024-01-15 12:50:27.993448 [NOTICE] [3935871] [client-ip:49357-Q:1E01781A5161B0F9-0#domain.xyz-443] [STDERR] PHP Warning: Trying to access array offset on value of type bool in /home/local-folder/private_html/wp-content/plugins/loginpress/include/class-remote-notification-client.php on line 702
2024-01-15 12:50:27.993589 [NOTICE] [3935871] [client-ip:49357-Q:1E01781A5161B0F9-0#domain.xyz-443] [STDERR] PHP Warning: Trying to access array offset on value of type bool in /home/local-folder/private_html/wp-content/plugins/loginpress/include/class-remote-notification-client.php on line 702
2024-01-15 12:51:35.366209 [NOTICE] [3935871] [client-ip:65398-Q:AE437392667B995A-748#domain.xyz-443] [STDERR] PHP Warning: Trying to access array offset on value of type bool in /home/local-folder/private_html/wp-content/plugins/loginpress/include/class-remote-notification-client.php on line 702
2024-01-15 12:51:35.366331 [NOTICE] [3935871] [client-ip:65398-Q:AE437392667B995A-748#domain.xyz-443] [STDERR] PHP Warning: Trying to access array offset on value of type bool in /home/local-folder/private_html/wp-content/plugins/loginpress/include/class-remote-notification-client.php on line 702