[NSFW] ?list-category-posts plugin is causing high PHP usage

I’d like to check with the developers or support about the issue. I am finding many entries on the logs like thisd which causes website go down all the time. Is there a version of this plugin which addresses this issue?
[Fri Aug 25 10:28:17.729205 2023] [proxy_fcgi:error] [pid 4242:tid
139990934730304] [client?65.108.40.25:0] AH01071: Got error ‘PHP message:
PHP Warning: Undefined array key “pagination” in
/home/wp_c8dgjd/mylearningspringboard.com/wp-content/plugins/list-category-posts/include/lcp-widget.php
on line 31′
[Fri Aug 25 10:28:25.694476 2023] [proxy_fcgi:error] [pid 4242:tid
139990909552192] [client?65.108.40.25:0] AH01071: Got error ‘PHP message:
PHP Warning: Undefined array key “pagination” in
/home/wp_c8dgjd/mylearningspringboard.com/wp-content/plugins/list-category-posts/include/lcp-widget.php
on line 31′
[Fri Aug 25 10:28:29.752005 2023] [proxy_fcgi:error] [pid 4242:tid
139990892766784] [client?65.108.40.25:0] AH01071: Got error ‘PHP message:
PHP Warning: Undefined array key “pagination” in
/home/wp_c8dgjd/mylearningspringboard.com/wp-content/plugins/list-category-posts/include/lcp-widget.php
on line 31′

The page I need help with: [log in to see the link]