The script cannot download the MetricsCube Connector files.
There may be a problem with the connection to MetricsCube_Server_URL from your server or there may be insufficient storage space (2 MB) on your server. There is also a chance that the MetricsCube server may be temporarily down.
Check if you have enough free space on your disk.
Please try again in a few minutes and make sure that your server can connect to MetricsCube_Server_URL.