28 Dec 2015
PHP configuration
For file uploads to work, PHP must be configured properly. The following PHP configuration variables may need to be set or configured, in your PHP php.ini file, .htaccess file, or settings.php files.
file_uploads = On must be set to "On"
upload_max_filesize = 24M can't be larger than post_max_size
max_input_time = 300 small values may cause timeouts for large file uploads
memory_limit = 64M small values may cause out of memory errors for large file uploads
max_execution_time = 180 small values may cause timeouts for large file uploads
post_max_size = 24M limits the size of input submitted to the website (including attached files)