Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires phpro/grumphp dev-v2.x@dev, found phpro/grumphp[2.x-dev] but it does not match the constraint.

Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires phpro/grumphp dev-v2.x@dev, found phpro/grumphp[2.x-dev] but it does not match the constraint.

Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires phpro/grumphp dev-v2.x@dev, found phpro/grumphp[2.x-dev] but it does not match the constraint.

Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires phpro/grumphp dev-v2.x@dev, found phpro/grumphp[2.x-dev] but it does not match the constraint.

Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires phpro/grumphp dev-v2.x@dev, found phpro/grumphp[2.x-dev] but it does not match the constraint.

Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires phpro/grumphp dev-v2.x@dev, found phpro/grumphp[2.x-dev] but it does not match the constraint.

Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires phpro/grumphp dev-v2.x@dev, found phpro/grumphp[2.x-dev] but it does not match the constraint.

Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires phpro/grumphp dev-v2.x@dev, found phpro/grumphp[2.x-dev] but it does not match the constraint.

Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires phpro/grumphp dev-v2.x@dev, found phpro/grumphp[2.x-dev] but it does not match the constraint.