I don't know if this will help, if you had the same problem with drupal then I what I have to say next will make sense, if not then it will likely be another problem. this error came up for me because I was using php 5.3 rather than 5.2 ---> Drupal is supposed to be okay with 5.3 now but there are a number of modules that Drupal requires that have not been updated to work on 5.3 yet, so youby mojipittan - Nginx Mailing List - English
Thanks for the suggestion Grzegorz. I've experimented with changing the php.ini and nginx setting like you mentioned. upload_max_size was turned up to 4 mb post_max_size was set to 8mb I restarted the PHP-fpm and nginx server and got the same message but with the updated value "An unrecoverable error occurred. The uploaded file likely exceeded the maximum file size (4 MB) that thby mojipittan - Nginx Mailing List - English
I'm getting error the following message when uploading a file on Drupal. "An unrecoverable error occurred. The uploaded file likely exceeded the maximum file size (2 MB) that this server supports." the files I am uploading are within the maximum size so I decided to look into the error logs to see what was being generated. FastCGI sent in stderr: "PHP Notice: Undefined indby mojipittan - Nginx Mailing List - English