Got error 'PHP message: PHP Fatal error: Uncaught Error: Class 'WC_Payment_Gateway' not found in /plugins/mawthouqpay-main/mawthouq-pay.php: line >70

[dev-dev-15]

WP Version >> 5.9.3

The error:
[Fri Apr 22 15:02:50.999583 2022] [proxy_fcgi:error] [pid 4064019:tid 140115263428352] [client 197.205.88.238:0] AH01071: Got error 'PHP message: PHP Fatal error: Uncaught Error: Class 'WC_Payment_Gateway' not found in /home/jiyovonihavusuce/webapps/flower/wp-content/plugins/mawthouqpay-main/mawthouq-pay.php:70\nStack trace:\n#0 /home/jiyovonihavusuce/webapps/flower/wp-includes/class-wp-hook.php(307): init_your_gateway_class()\n#1 /home/jiyovonihavusuce/webapps/flower/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters()\n#2 /home/jiyovonihavusuce/webapps/flower/wp-includes/plugin.php(474): WP_Hook->do_action()\n#3 /home/jiyovonihavusuce/webapps/flower/wp-settings.php(450): do_action()\n#4 /home/jiyovonihavusuce/webapps/flower/wp-config.php(81): require_once('/home/jiyovonih...')\n#5 /home/jiyovonihavusuce/webapps/flower/wp-load.php(50): require_once('/home/jiyovonih...')\n#6 /home/jiyovonihavusuce/webapps/flower/wp-admin/admin.php(34): require_once('/home/jiyovonih...')\n#7 /home/jiyovonihavusuce/webapps/flower/wp-admin/plugins.php(10): require_once('/home/jiyovonih...')\n#8 {main}\n thrown in /home/jiyovonihavusuce/webapps/flow...', referer: https://flower.us2.instawp.xyz/wp-admin/update.php?action=upload-plugin