Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires phpunit/phpunit ^6.5.14 -> satisfiable by phpunit/phpunit[6.5.14]. - phpunit/phpunit 6.5.14 requires php ^7.0 -> your php version (8.0.30) does not satisfy that requirement. Problem 2 - Root composer.json requires phpunit/phpunit-mock-objects ^5.0.6 -> satisfiable by phpunit/phpunit-mock-objects[5.0.6, ..., 5.0.10]. - phpunit/phpunit-mock-objects[5.0.9, ..., 5.0.10] require php ^7.0 -> your php version (8.0.30) does not satisfy that requirement. Problem 3 - Root composer.json requires phpunit/dbunit ^3.0.3 -> satisfiable by phpunit/dbunit[3.0.3]. - phpunit/dbunit 3.0.3 requires php ^7.0 -> your php version (8.0.30) does not satisfy that requirement. Problem 4 - Root composer.json requires phpstan/phpstan ^0.7.0 -> satisfiable by phpstan/phpstan[0.7]. - phpstan/phpstan 0.7 requires php ~7.0 -> your php version (8.0.30) does not satisfy that requirement. Problem 5 - doctrine/instantiator 1.0.3 requires php ~5.3 -> your php version (8.0.30) does not satisfy that requirement. - doctrine/instantiator[1.0.4, ..., 1.0.5] require php >=5.3,<8.0-DEV -> your php version (8.0.30) does not satisfy that requirement. - doctrine/common[v2.6.0, ..., v2.6.2] require php ~5.5|~7.0 -> your php version (8.0.30) does not satisfy that requirement. - doctrine/common[v2.7.0, ..., v2.7.3] require php ~5.6|~7.0 -> your php version (8.0.30) does not satisfy that requirement. - doctrine/common[v2.8.0, ..., v2.8.1] require php ~7.1 -> your php version (8.0.30) does not satisfy that requirement. - doctrine/common[v2.9.0, ..., 2.13.0] require php ^7.1 -> your php version (8.0.30) does not satisfy that requirement. - doctrine/orm[v2.6.0, ..., 2.7.5] require php ^7.1 -> your php version (8.0.30) does not satisfy that requirement. - Root composer.json requires phplist/core ^v4.0.0-alpha5 -> satisfiable by phplist/core[v4.0.0-alpha5]. - Conclusion: don't install doctrine/orm 2.19.7 (conflict analysis result) - doctrine/orm[v2.5.0, ..., v2.5.10] require doctrine/instantiator ~1.0.1 -> satisfiable by doctrine/instantiator[1.0.1, ..., 1.0.5]. - Root composer.json requires sensio/framework-extra-bundle 5.1.0 -> satisfiable by sensio/framework-extra-bundle[v5.1.0]. - phplist/core v4.0.0-alpha5 requires doctrine/orm ^2.5.0 -> satisfiable by doctrine/orm[v2.5.0, ..., 2.19.7]. - doctrine/orm[v2.5.11, ..., v2.5.14] require doctrine/common >=2.5-dev,<2.9-dev -> satisfiable by doctrine/common[v2.5.0, ..., v2.8.1]. - doctrine/orm[2.8.2, ..., 2.17.5] require doctrine/common ^3.0.3 -> satisfiable by doctrine/common[3.0.3, ..., 3.4.4]. - doctrine/orm[2.8.0, ..., 2.8.1] require doctrine/common ^3.0 -> satisfiable by doctrine/common[3.0.0, ..., 3.4.4]. - You can only install one version of a package, so only one of these can be installed: doctrine/common[2.2.0, ..., 2.13.3, 3.0.0, ..., 3.4.4]. - phplist/core v4.0.0-alpha5 requires doctrine/common ^2.6.0 -> satisfiable by doctrine/common[v2.6.0, ..., 2.13.3]. - Conclusion: don't install doctrine/common 2.13.3 (conflict analysis result)

phpList Base Dist on PHP 8.0, with dist [Build, Test]

Process completed with exit code 2.

phpList Base Dist on PHP 8.0, with dist [Build, Test]

Process completed with exit code 127.

phpList Base Dist on PHP 8.0, with dist [Build, Test]

Process completed with exit code 1.

phpList Base Dist on PHP 8.0, with dist [Build, Test]

Process completed with exit code 127.

phpList Base Dist on PHP 8.0, with dist [Build, Test]

Process completed with exit code 127.

phpList Base Dist on PHP 7.4, with dist [Build, Test]

The following actions uses node12 which is deprecated and will be forced to run on node16: actions/checkout@v2, actions/cache@v2. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/