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I'm using Magento 2 CE Version 2.1.0 on WAMP.

When we receive below kind of error

a:4:{i:0;s:414:"Recoverable Error: Argument 6 passed to Magento\Catalog\Controller\Adminhtml\Product\Save::__construct() must be an instance of Magento\Catalog\Api\ProductRepositoryInterface, none given, called in /var/www/magento2/var/generation/Magento/Catalog/Controller/Adminhtml/Product/Save/Interceptor.php

Will do follow steps

  • Remove module folder from var/generation
  • Run magento setup:upgrade, magento setup:di:compile, magento cache:flush Commands

At the time of magento setup:di:compile

Application Code Generator takes so much time.

In overall process takes approximately 10 minutes to solve above error. Is there any better way to solve it & saving time?

  • @KhoaTruongDinh Let me check & gives u update – Ankit Shah Sep 6 '16 at 1:13
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    How about your current issue? – Khoa TruongDinh Sep 14 '16 at 16:20
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From my experience:

We should work on developer mode when developing. This is because auto-generated classes (Proxy, Factory, Interceptor) will be generated on the fly. DI compile doesn't need in this mode, so we don't need to run it again and again.

And then, we need to delete var/generation and clear cache.

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