Hi
I have the same issue and seems like is not a plugin conflict here my error logs:
2022/05/27 21:10:26 [error] 19281#19281: *21378 FastCGI sent in stderr: "PHP message: PHP Fatal error: Uncaught Error: Access to undeclared static property: Google\Client::$OAUTH2_REVOKE_URI in /srv/www/mydomain.com/public_html/wp-content/plugins/analytics-insights/tools/gapi.
php:74
Stack trace:
#0 /srv/www/mydomain.com/public_html/wp-content/plugins/analytics-insights/admin/ajax-actions.php(69): AIWP_GAPI_Controller->__construct()
#1 /srv/www/mydomain.com/public_html/wp-includes/class-wp-hook.php(307): AIWP_Backend_Ajax->ajax_item_reports('')
#2 /srv/www/mydomain.com/public_html/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters('', Array)
#3 /srv/www/mydomain.com/public_html/wp-includes/plugin.php(474): WP_Hook->do_action(Array)
#4 /srv/www/mydomain.com/public_html/wp-admin/admin-ajax.php(187): do_action('wp_ajax_aiwp_ba...')
#5 {main}
thrown in /srv/www/mydomain.com/public_html/wp-content/plugins/analytics-insights/tools/gapi.php on line 74" while reading response header from upstream, client: 122.162.150.236, server: mydomain.com, request: "POST /wp-admin/admin-ajax.php?_fs_blog_admin=true HTTP/1.1",
upstream: "fastcgi://127.0.0.1:7000", host: "www.mydomain.com", referrer: "https://www.mydomain.com/wp-admin/"
Hope you can help
TIA