Boa noite

Alguém já usou dynamic blocks taglib?

Estou tentando usar mas está apresentando esse erro:

2015-07-08 00:44:49,925 [http-bio-8080-exec-6] ERROR [/dynamic-blocks].[default]  - Servlet.service() for servlet [default] in context with path [/dynamic-blocks] threw exception
Message: It looks like you are missing some calls to the r:layoutResources tag. After rendering your page the following have not been rendered: [defer]
    Line | Method
->>   -2 | newInstance0              in sun.reflect.NativeConstructorAccessorImpl
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
|     57 | newInstance               in     ''
|     45 | newInstance . . . . . . . in sun.reflect.DelegatingConstructorAccessorImpl
|    526 | newInstance               in java.lang.reflect.Constructor
|   1002 | jlrConstructorNewInstance in org.springsource.loaded.ri.ReflectiveInterceptor
|     77 | invoke                    in org.codehaus.groovy.reflection.CachedConstructor

Link https://github.com/Flash-/dynamic-blocks-taglib

Grato