Delete empty vlan

[cmsoares]

When we try to delete an empty vlan from the web interface it does not delete it.

[watcher@riomp74lb05 app]$ cat networkapi-app-be-main.log | grep PUPVSXGPQCMFLPNIQQ
[DEBUG] 07/Aug/2015:16:07:42 +0000 - U:CLAUDINEY, P:/vlan/21949/deallocate/, T:CUS-PUPVSXGPQCMFLPNIQQ, MSG:INICIO da requisição DELETE. Data: [].
[INFO] 07/Aug/2015:16:07:42 +0000 - U:CLAUDINEY, P:/vlan/21949/deallocate/, T:CUS-PUPVSXGPQCMFLPNIQQ, MSG:Deallocate all relationships between Vlan.
[WARNING] 07/Aug/2015:16:07:42 +0000 - U:CLAUDINEY, P:/vlan/21949/deallocate/, T:CUS-PUPVSXGPQCMFLPNIQQ, MSG:Added=True
[DEBUG] 07/Aug/2015:16:07:42 +0000 - U:CLAUDINEY, P:/vlan/21949/deallocate/, T:CUS-PUPVSXGPQCMFLPNIQQ, MSG:Requisição concluída com falha. Conteúdo: [0293Dont Deallocate all relationships between Vlan be because is active.].
[DEBUG] 07/Aug/2015:16:07:42 +0000 - U:CLAUDINEY, P:/vlan/21949/deallocate/, T:CUS-PUPVSXGPQCMFLPNIQQ, MSG:FIM da requisição.