There is no extension able to load the configuration for “facebookbundle” symfony2

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Also, keep in mind that the root key of the configuration file must be a normalized form of the Bundle’s name.

This is something I’ve encoutered a few times and it’s very frustrating to solve if you’re not aware of it.

Example: if bundle is called MyFirstAwesomeBundle, then the root key in the file must be my_first_awesome. So camel-case is converted to snake-case and the word “bundle” is ignored or stripped away.

So simply having the root key in your file match exactly the value specified in Configuration::getConfigTreeBuilder() is not enough.

If you don’t follow this rule, then you’ll get the There is no extension able to load the configuration error.

I hope this will help the next desperate soul who ends up on this page…

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