$ composer require league/tactician-bernard
You are running composer with xdebug enabled. This has a major impact on runtime performance. See https://getcomposer.org/xdebug
Using version ^0.6.0 for league/tactician-bernard
./composer.json has been updated
Loading composer repositories with package information
Updating dependencies (including require-dev)
Your requirements could not be resolved to an installable set of packages.
Problem 1
- Installation request for league/tactician-bernard ^0.6.0 -> satisfiable by league/tactician-bernard[v0.6.0].
- league/tactician-bernard v0.6.0 requires bernard/bernard ^1.0@dev -> no matching package found.
Potential causes:
- A typo in the package name
- The package is not available in a stable-enough version according to your minimum-stability setting
see <https://getcomposer.org/doc/04-schema.md#minimum-stability> for more details.
Read <https://getcomposer.org/doc/articles/troubleshooting.md> for further common problems.
Installation failed, reverting ./composer.json to its original content.
I have next log on install: