Nginx 1 FastCGI sent in stderr: Primary script unknown (12 Solutions!!)
nginx fastcgi Primary script unknown when configuring userdir (3 Solutions!!)
DevOps & SysAdmins: PHP-FPM Primary script unknown, but SCRIPT_FILENAME is set correctly
Error 200#0: \*79 FastCGI sent in stderr: Primary script unknown while reading response header...
nginx: FastCGI sent in stderr: Primary script unknown
nginx 12 FastCGI sent in stderr Primary script unknown
PHP : How to debug FastCGI sent in stderr: Primary script unknown while reading response header fro
DevOps & SysAdmins: FastCGI sent in stderr: Primary script unknown + Owncloud
DevOps & SysAdmins: nginx + php fpm -＞ 404 php pages - file not found (2 Solutions!!)
nginx and php-fpm: Primary script unknown while reading response header from upstream
FastCGI sent in stderr: Primary script unknown while reading response header from upstream
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Last Updated: August 15, 2026
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