Your lock file does not contain a compatible set of packages. Please run composer update. Problem 1 - nikic/php-parser is locked to version v5.0.0 and an update of this package was not requested. - nikic/php-parser v5.0.0 requires php >=7.4 -> your php version (7.3.33) does not satisfy that requirement. Problem 2 - nikic/php-parser v5.0.0 requires php >=7.4 -> your php version (7.3.33) does not satisfy that requirement. - sebastian/lines-of-code 1.0.4 requires nikic/php-parser ^4.18 || ^5.0 -> satisfiable by nikic/php-parser[v5.0.0]. - sebastian/lines-of-code is locked to version 1.0.4 and an update of this package was not requested.