laravel 5.4無法安裝

我改變了composer.json，當我運行作曲家更新時，我得到了錯誤。

composer.json：

"require": { 
     "php": ">=5.6.4", 
     "laravel/framework": "5.4.*", 
     "laravel/tinker": "~1.0" 
},

錯誤：

git:(upgrade-5.4) ✗ composer install 
Loading composer repositories with package information 
Updating dependencies (including require-dev) 
Your requirements could not be resolved to an installable set of packages. 

Problem 1 
    - Conclusion: don't install symfony/console v3.2.2 
    - Installation request for mpociot/laravel-test-factory-helper ^0.3.1 -> satisfiable by mpociot/laravel-test-factory-helper[0.3.1]. 
    - Conclusion: don't install symfony/console v3.2.1 
    - laravel/framework v5.4.6 requires symfony/console ~3.2 -> satisfiable by symfony/console[v3.2.0, v3.2.1, v3.2.2]. 
    - laravel/framework v5.4.0 requires symfony/console ~3.2 -> satisfiable by symfony/console[v3.2.0, v3.2.1, v3.2.2]. 
    - laravel/framework v5.4.1 requires symfony/console ~3.2 -> satisfiable by symfony/console[v3.2.0, v3.2.1, v3.2.2]. 
    - laravel/framework v5.4.2 requires symfony/console ~3.2 -> satisfiable by symfony/console[v3.2.0, v3.2.1, v3.2.2]. 
    - laravel/framework v5.4.3 requires symfony/console ~3.2 -> satisfiable by symfony/console[v3.2.0, v3.2.1, v3.2.2]. 
    - laravel/framework v5.4.4 requires symfony/console ~3.2 -> satisfiable by symfony/console[v3.2.0, v3.2.1, v3.2.2]. 
    - laravel/framework v5.4.5 requires symfony/console ~3.2 -> satisfiable by symfony/console[v3.2.0, v3.2.1, v3.2.2]. 
    - Conclusion: don't install symfony/console v3.2.0|install symfony/console v3.2.1 
    - Installation request for laravel/framework 5.4.* -> satisfiable by laravel/framework[v5.4.0, v5.4.1, v5.4.2, v5.4.3, v5.4.4, v5.4.5, v5.4.6].

來源

2017-01-30 steve

刪除您的供應商提供的版本文件夾並運行'作曲家安裝' – Vikash

謝謝。已經嘗試過，但沒有爲我工作。 – steve

嘗試重置您對composer.json的更改並執行命令'composer require「laravel/framework：5.4」' –

刪除mpociot/laravel-test-factory-helper從（dev亡？）的依賴或將其更新到支持Laravel 5.4

來源

2017-01-30 21:31:46 nXu

謝謝。它的工作.. – steve

laravel 5.4無法安裝

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