The 403 error always means the access to the requested resource is forbidden, our guess is that there can be a firewall(security) on your target site that is blocking the transfer. In that case, the Manual transfer option is recommended.
The 403 error always means the access to the requested resource is forbidden, our guess is that there can be a firewall(security) on your target site that is blocking the transfer. In that case, the Manual transfer option is recommended.