I need help on my server 1.9.0 nukkit do not appear monsters or animals tells me the following
14.03 20:05:30 [Server] INFO Selected Zlib Provider: 2 (cn.nukkit.utils.ZlibThreadLocal) 14.03 20:05:30 [Server] INFO Abriendo servidor en 64.42.181.58:19148 14.03 20:05:30 [Server] INFO Este servidor está corriendo Nukkit versión git-f4459d5 "" (API 1.0.8) 14.03 20:05:30 [Server] INFO Nukkit es distribuido bajo la LGPL License 14.03 20:05:30 [Server] INFO Loading recipes... 14.03 20:05:31 [Server] INFO Loaded 1203 recipes. 14.03 20:05:31 [Server] INFO Successfully loaded 0 resource packs 14.03 20:05:31 [Server] WARN Nivel "world" no encontrado 14.03 20:05:31 [Server] INFO Preparando nivel "world" 14.03 20:05:31 [Server] INFO Epoll is available. EpollEventLoop will be used. 14.03 20:05:31 [Server] WARN Nivel "nether" no encontrado 14.03 20:05:31 [Server] INFO No level called "nether" found, creating default nether level. 14.03 20:05:31 [Server] INFO Preparando nivel "nether" 14.03 20:05:31 [Server] INFO Iniciando GS4 status listener 14.03 20:05:31 [Server] INFO Configurando puerto query en 19148 14.03 20:05:31 [Server] INFO Corriendo Query en 64.42.181.58:19148 14.03 20:05:31 [Server] INFO Modo de Juego por defecto: Modo Supervivencia 14.03 20:05:31 [Server] INFO Listo (10.309s)! Escribe "help" o "?" para recibir ayuda
can you help me please