haxelib install hxcpp failed with error: Blocking

[HackToday]

ubuntu 20.04

Steps to reproduce:

apt-get install -y --no-install-recommends       `# Haxe dependencies`       haxe       neko       neko-dev
haxelib setup --always /usr/share/haxe/lib
haxelib install hxcpp --debug

error:

Called from ? line 1
Called from haxelib/client/Util.hx line 9
Called from haxelib/client/Main.hx line 1803
Called from haxelib/client/Util.hx line 9
Called from haxelib/client/Main.hx line 498
Called from haxelib/client/Main.hx line 748
Called from haxelib/client/Main.hx line 240
Uncaught exception - Failed with error: Blocking

[kLabz]

With what version of haxelib?

[HackToday]

@kLabz the version is:

# haxelib version
4.0.2