Could not connect to a default or fallback server error

Hi,
so,I have this code:
prevent_proxy_connections: false
listeners:
- query_port: 25577
motd: '&1Apex Bungee Server'
tab_list: GLOBAL_PING
query_enabled: false
proxy_protocol: false
forced_hosts:
example.apexmc.co: example
ping_passthrough: false
priorities:
- example
bind_local_address: true
host: 51.77.114.84:25565
max_players: 50
tab_size: 60
force_default_server: false
remote_ping_cache: -1
network_compression_threshold: 256
permissions:
default:
- bungeecord.command.server
-...

Could not connect to a default or fallback server error