No data was received to import. Either no file name was submNo data was received to import.

No data was received to import. Either no file name was submNo data was received to import.  Either no file name was submitted, or the file size exceeded the maximum size permitted by your PHP configuration.itted, or the file size exceeded the maximum size permitted by your PHP configuration.

Идем в /etc/php5/apache2/php.ini

Находим:

; Maximum allowed size for uploaded files.
upload_max_filesize = 2M

меняем на 32М, максимум можно 128

Перезапукаем 

sudo /etc/init.d/apache2 reload