Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires tiny-blocks/mapper dev-main -> satisfiable by tiny-blocks/mapper[dev-main]. - tiny-blocks/mapper dev-main requires tiny-blocks/collection ^1.10 -> satisfiable by tiny-blocks/collection[1.10.0] from composer repo (https://repo.packagist.org) but tiny-blocks/collection dev-3a178ef38c09d60373169a4140f9cead943ee22a is the root package and cannot be modified. See https://getcomposer.org/dep-on-root for details and assistance.

Process completed with exit code 2.