Update fail

[kaimano]

Hello, this is a great script and all work perfectly but, when I try to do an update i got an error:

_All required commands are available.
Environment check starts.
Self configuration found
All settings are present in .inmanage/.env.inmanage.
No provision.
Update starts now.
Downloading Invoice Ninja version ...
Unpacking Data.

gzip: stdin: not in gzip format
tar: Child returned status 1
tar: Error is not recoverable: exiting now
Failed to unpack_

in the directory "._in_tempDownload" I have an "invoiceninja.tar" of only one byte and an empty directory "invoiceninja"