Изменить 'octobercms.conf'

octobercms.conf

@@ -3,6 +3,11 @@
         rewrite ^/.*$ /index.php last;
     }
     
+    location ~ ^/backend {
+    	client_max_body_size 10M;
+        rewrite ^/.*$ /index.php last;
+    }
+    
     location ~ ^/combine.*\.(css|js) {
         rewrite ^/.*$ /index.php last;
         expires max;