How to remove php start blocking?

Question

htaccess

I got a site on an incomprehensible cms. I upload the php file, but I get an error

Mistake. Wrong address with wrong data in wrong format.

I don’t understand HTACCESS at all, it lies at the root, maybe there is a problem with it? Thank you!

#AddType application/x-httpd-php5 .php
#AddType text/x-component htc
#php_value session.use_trans_sid off
#php_value expose_php off


RewriteEngine on
RewriteBase /
ErrorDocument 404 error
ErrorDocument 403 error
RewriteRule !\.(js|ico|gif|jpg|png|css|html|swf|flv|zip|pdf|txt|doc|xls|rar|htm|htc|psd)$ site.php
#AddDefaultCharset UTF-8

#AddType application/x-httpd-php5 .php
#php_value session.use_trans_sid off

Answer 1

RewriteRule !\.(js|ico|gif|jpg|png|css|html|swf|flv|zip|pdf|txt|doc|xls|rar|htm|htc|psd)$ site.php

replaced by

RewriteRule !\.(php|js|ico|gif|jpg|png|css|html|swf|flv|zip|pdf|txt|doc|xls|rar|htm|htc|psd)$ site.php