FastCGI sent in stderr: "Primary script unknown" while reading response header from upstream

I have a problem about FastCGI. Also I cant update themes from wordpress. It gives me forbidden error. How can I solve the problem?

2022/07/31 00:37:45 [error] 234400#234400: *25349 FastCGI sent in stderr: "PHP message: [ERROR] : WP_CACHE constant is not present in wp-config.phpPHP message: [ERROR] : WP_CACHE constant is not present in wp-config.php" while reading response header from upstream, client: xxx.xxx.xxx.xx, server: mydomain.com, request: "GET /tag/oznur/ HTTP/1.1", upstream: "fastcgi://unix:/run/php/php7.4-fpm-mydomain.com.sock:", host: "mydomain.com"

2022/07/31 00:37:46 [error] 234400#234400: *25360 FastCGI sent in stderr: "Primary script unknown" while reading response header from upstream, client: 208.67.105.73, server: mydomain.com, request: "GET //1index.php HTTP/1.1", upstream: "fastcgi://unix:/run/php/php7.4-fpm-mydomain.com.sock:", host: "mydomain.com"

Wordpress theme update error:

I set cache duration as “2m” on hestiapanel but it shows 10minutes on fastcgi_cache_pool.conf file

fastcgi_cache_path /var/cache/nginx/micro/mydomain.com levels=1:2 keys_zone=mydomain.com:10m max_size=512m inactive=30m;

In /home/user/conf/web/domain/nginx.fastcgi_cache.conf we set the valid time for the cache:

fastcgi_cache_valid 200 2m;

Ok but I could not understand why I am getting this error?

First one WP_CACHE constant is not present in wp-config.php

Second one is a 404:

1index.php doesn’t exists

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