Symfony 1.4 Fatal error Class 'myUser' not found - php

Question

In error log I see:
Fatal error: Class 'myUser' not found in /usr/share/nginx/www/services/cache/frontend/dev/config/config_factories.yml.php on line 120
What can caouse this problem ?
Nginx config:
server {
listen 80;
root /usr/share/nginx/www/services/web;
index index.php index.html index.htm;
access_log /usr/share/nginx/www/log/access.log;
error_log /usr/share/nginx/www/log/error.log;
server_name server.lap;
error_page 404 /404.html;
error_page 500 502 503 504 /50x.html;
location = /50x.html {
root /usr/share/nginx/www;
}
# pass the PHP scripts to FastCGI server listening on /var/run/php5-fpm.sock
location ~ \.php$ {
try_files $uri =404;
fastcgi_pass unix:/var/run/php5-fpm.sock;
fastcgi_index index.php;
fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
include fastcgi_params;
}
location / {
index index.php;
try_files $uri /index.php?$args;
}
}
location ~ \.php$ {
fastcgi_split_path_info ^(.+\.php)(/.+)$;
# NOTE: You should have "cgi.fix_pathinfo = 0;" in php.ini
fastcgi_pass unix:/var/run/php5-fpm.sock;
fastcgi_index index.php;
include fastcgi_params;
}
location ~ ^/(index|frontend|frontend_dev|backend|backend_dev)\.php$ {
include fastcgi_params;
fastcgi_split_path_info ^(.+\.php)(/.+)$;
fastcgi_param PATH_INFO $fastcgi_path_info;
fastcgi_param PATH_TRANSLATED $document_root$fastcgi_path_info;
fastcgi_param HTTPS off;
fastcgi_pass unix:/var/run/php5-fpm.sock;
}
}

Answer 1

Look to see if there is a myUser.class.php file in the lib folder of your app. If there isn't create one and in it add:
<?php
class myUser extends sfBasicSecurityUser
{
}
?>
Or if you are using sfGuardPlugin:
<?php
class myUser extends sfGuardSecurityUser
{
}
?>
Then clear the cache.