Erro ao criar prefixo cakephp 3 (Rotas)

Boa tarde!! ..

Estou tendo dificuldades em criar prefixos no cakephp 3,
pretendo construir um sistema com área admin, manager e
 public, porém crio os prefixos pelo bake.
 "./cake bake all tabela_ex --prefix manager",
 ele gera o código normal, porém na hora de
 acessar da o seguinte erro

Error: Route matching aray(); ...

Vlw

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