@ngdoc error
@name $compile:badrestrict
@fullName Invalid Directive Restrict
@description

This error occurs when the restrict property of a directive is not valid.

The directive restrict property must be a string including one or more of the following characters:
* E (element)
* A (attribute)
* C (class)
* M (comment)

For example:
```javascript
restrict: 'E'
restrict: 'EAC'
```