No available allocations – what does it mean?

All ports in the node range are taken. In Admin → Nodes → Allocations add new ports or free unused ones.

Port already allocated / in use?

Duplicate allocation on node. Delete old server or pick another port. ss -tlnp shows used ports.

Check primary allocation (Server → Settings → Allocation). Port must exist on node and be free.

Quick answer: Pterodactyl allocation errors: add new ports on node, remove duplicate allocations and check server primary allocation.

If you landed here: "No available allocations", "Port already in use" or server won't start due to port conflict.

Error	Fix
No available allocations	Admin → Nodes → Allocations → add ports (e.g. 25565–25600)
Port already allocated	Delete duplicate allocation, assign different port
Failed to bind to 0.0.0.0:PORT	Port in use on host → `ss -tlnp \| grep PORT`

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