Symfony Doctrine Migration error <p>When install <code>doctrine/doctrine-migrations-bundle</code> have error</p> <pre><code>FatalErrorException in appDevDebugProjectContainer.php line 4719: Parse Error: syntax error, unexpected ':', expecting ';' or '{' "require": { "php": "&gt;=5.5.9", "symfony/symfony": "3.1.6", "doctrine/orm": "^2.5", "doctrine/doctrine-bundle": "^1.6", "doctrine/doctrine-cache-bundle": "^1.2", "symfony/swiftmailer-bundle": "^2.3", "symfony/monolog-bundle": "^2.8", "symfony/polyfill-apcu": "^1.0", "sensio/distribution-bundle": "^5.0", "sensio/framework-extra-bundle": "^3.0.2", "incenteev/composer-parameter-handler": "^2.0", "doctrine/doctrine-migrations-bundle": "^1.0" }, </code></pre> <p>when deleted doctrine/doctrine-migrations-bundle in composer and all work</p> <pre><code> - Removing doctrine/doctrine-migrations-bundle (v1.2.0) - Removing doctrine/migrations (1.4.1) - Removing ocramius/proxy-manager (2.0.4) - Removing zendframework/zend-code (3.1.0) - Removing zendframework/zend-eventmanager (3.0.1) - Removing ocramius/package-versions (1.1.1) </code></pre> <p>my version php (5.6.28-1) without migration bundle everything fine how to fix this ?</p>