Symfony2 the template does not support the "bundle" parameter

The following syntax doesn't work any-more with Symfony 2.6.3 and its default requirements.

If you want to stay with Symfony 2.6.3 without changing the assetic requirement (using dev-master in production is never a good idea...)

Change (@xxx):

{% extends '@MyBundle/layout.html.twig' %}

To:

{% extends 'MyBundle::layout.html.twig' %}

Or stay with Symfony 2.6.3 and use the dev-master requirement of the assetic-bundle as suggested in the accepted answer.

Or switch back to Symfony 2.6.1, I suppose this issue (and the assetic requirement) will be fixed in Symfony 2.6.4.

php symfony twig assets assetic

You need to update your composer.json as follows:

    "symfony/symfony": "~2.6",    "symfony/assetic-bundle": "dev-master",

The error comes from assetic in version 2.5.0. The dev version corrects this as explained here:https://github.com/Spea/SpBowerBundle/issues/119

php symfony twig assets assetic

If you are trying to include base.html.twig from one of your templates like this:

{% extends 'base.html.twig' %}

You need to change it to this:

{% extends '::base.html.twig' %}

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