check if these sizes are less in php.ini
upload_max_filesize = 2G
post_max_size = 2G
max_execution_time = 84600
max_input_nesting_level = 84600
max_input_time = 84600
or if you are running fcgid then
modify / etc / httpd / conf.d / fcgid.conf by adding
FcgidMaxRequestLen 2147483648
or...