Vendor autoload is not found. Please run 'composer install' under application root directory.

How to solve it?

When installing magento 2 in cpanel and my company server

  • do you want to install it manually ? in your cpanel ? – Manthan Dave Jan 24 '17 at 10:23
  • Welcome to Magento SE. The error message already tells you what to do. WIthout further information you won't get much more help than that: How did you install Magento? – Fabian Schmengler Jan 24 '17 at 13:47

The solution is the one given in the error, just run:

composer install

In your Magento 2 root directory.

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