cannot install via composer

[adriandrozdz]

I follow the installation instructions and get this error

*Your requirements could not be resolved to an installable set of packages.

Problem 1
- The requested package asofter/yii2-imperavi-redactor could not be found in any version, there may be a typo in the package name.*

[lunzai]

Same issue here

[dkhlystov]

Has same error

[jafaripur]

Yes, Also I can't install via composer!
Error:
- The requested package asofter/yii2-imperavi-redactor could not be found in any version, there may be a typo in the package name.

[asofter]

"asofter/yii2-imperavi-redactor": "dev-master"

try this

[IvoPereira]

Did not worked @asofter .

[fproject]

Pls create a released version with legal tag name, for instance '0.0.1' instead of 'dev-master'