PS:
The easiest (temporary) solution is of course to install the latest version 1.x of composer.
After these problems with composer 2.0.9, I simple reinstalled composer 1.10.19 and the install process was going on again.
The easiest (temporary) solution is of course to install the latest version 1.x of composer.
After these problems with composer 2.0.9, I simple reinstalled composer 1.10.19 and the install process was going on again.