Your lock file does not contain a compatible set of packages. Please run composer update. Problem 1 - psr/container is locked to version 1.1.2 and an update of this package was not requested. - psr/container 1.1.2 requires php >=7.4.0 -> your php version (7.1.33) does not satisfy that requirement. Problem 2 - symfony/service-contracts is locked to version v2.5.2 and an update of this package was not requested. - symfony/service-contracts v2.5.2 requires php >=7.2.5 -> your php version (7.1.33) does not satisfy that requirement. Problem 3 - composer/pcre is locked to version 3.1.0 and an update of this package was not requested. - composer/pcre 3.1.0 requires php ^7.4 || ^8.0 -> your php version (7.1.33) does not satisfy that requirement. Problem 4 - composer/xdebug-handler is locked to version 3.0.3 and an update of this package was not requested. - composer/xdebug-handler 3.0.3 requires php ^7.2.5 || ^8.0 -> your php version (7.1.33) does not satisfy that requirement. Problem 5 - phpdocumentor/reflection-common is locked to version 2.2.0 and an update of this package was not requested. - phpdocumentor/reflection-common 2.2.0 requires php ^7.2 || ^8.0 -> your php version (7.1.33) does not satisfy that requirement. Problem 6 - phpdocumentor/reflection-docblock is locked to version 5.3.0 and an update of this package was not requested. - phpdocumentor/reflection-docblock 5.3.0 requires php ^7.2 || ^8.0 -> your php version (7.1.33) does not satisfy that requirement. Problem 7 - phpdocumentor/type-resolver is locked to version 1.7.3 and an update of this package was not requested. - phpdocumentor/type-resolver 1.7.3 requires php ^7.4 || ^8.0 -> your php version (7.1.33) does not satisfy that requirement. Problem 8 - phpstan/phpdoc-parser is locked to version 1.24.2 and an update of this package was not requested. - phpstan/phpdoc-parser 1.24.2 requires php ^7.2 || ^8.0 -> your php version (7.1.33) does not satisfy that requirement. Problem 9 - symfony/filesystem is locked to version v5.4.25 and an update of this package was not requested. - symfony/filesystem v5.4.25 requires php >=7.2.5 -> your php version (7.1.33) does not satisfy that requirement. Problem 10 - webmozart/assert is locked to version 1.11.0 and an update of this package was not requested. - webmozart/assert 1.11.0 requires php ^7.2 || ^8.0 -> your php version (7.1.33) does not satisfy that requirement. Problem 11 - symfony/service-contracts v2.5.2 requires php >=7.2.5 -> your php version (7.1.33) does not satisfy that requirement. - symfony/dependency-injection v4.4.37 requires symfony/service-contracts ^1.1.6|^2 -> satisfiable by symfony/service-contracts[v2.5.2]. - symfony/dependency-injection is locked to version v4.4.37 and an update of this package was not requested.