Babun is not installed explain?

Question

GitHub

Good day dear developers. I can't install babun, what could be the reason?
C:\Windows\system32>choco install buban -y
Chocolatey v0.10.3
Installing the following packages:
buban
By installing you accept licenses for the packages.
buban not installed. The package was not found with the source(s) listed.
If you specified a particular version and are receiving this message, it is possible that the package name exists but the version does not.
Version: ""
Source(s): " https://chocolatey.org/api/v2/ "
Chocolatey installed 0/1 packages. 1 packages failed.
See the log for details (C:\ProgramData\chocolatey\logs\chocolatey.log).
Failures
- buban - buban not installed. The package was not found with the source(s) listed.
If you specified a particular version and are receiving this message, it is possible that the package name exists but the version does not.
Version: ""
Source(s): " https://chocolatey.org/api/v2/ "
logs
See the log for details (C:\ProgramData\chocolatey\logs\chocolatey.log).
2017-03-25 11:54:47,515 [INFO ] -
2017-03-25 11:54:47,747 [ERROR] - Failures
2017-03-25 11:54:47,988 [ERROR] - - buban - buban not installed. The package was not found with the source(s) listed.
If you specified a particular version and are receiving this message, it is possible that the package name exists but the version does not.
Version: ""
Source(s): " https://chocolatey.org/api/v2/ "
2017-03-25 11:54:48,288 [DEBUG] - Sending message 'PostRunMessage' out if there are subscribers...
2017-03-25 11:54:48,374 [DEBUG] - Exiting with 1