Your requirements could not be resolved to an installable set of packages. Problem 1 - Root composer.json requires phpunit/phpunit ^12.0 -> satisfiable by phpunit/phpunit[12.0.0, 12.0.1]. - phpunit/phpunit[12.0.0, ..., 12.0.1] require php >=8.3 -> your php version (8.1.31) does not satisfy that requirement. Problem 2 - Root composer.json requires drupol/php-conventions ^6 -> satisfiable by drupol/php-conventions[6.0.0, ..., 6.0.5]. - Root composer.json requires infection/infection ^0.29 -> satisfiable by infection/infection[0.29.0, ..., 0.29.10]. - infection/infection 0.29.10 requires php ^8.2 -> your php version (8.1.31) does not satisfy that requirement. - infection/infection[0.29.0, ..., 0.29.8] require nikic/php-parser ^5.0 -> satisfiable by nikic/php-parser[v5.0.0, ..., v5.4.0]. - infection/infection 0.29.9 requires thecodingmachine/safe dev-master as 2.5.0 -> found thecodingmachine/safe[dev-master] but it does not match your minimum-stability. - Conclusion: don't install nikic/php-parser v5.4.0 (conflict analysis result)

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