Talos docs

attach-socket-unavailable

Since next

the attach component's socket cannot be placed on the owner's skeleton: it has no retarget.map and not the canonical bone names, or its map leaves out the socket's bone

Plain text
Severitywarning

Meaning

the attach component's socket cannot be placed on the owner's skeleton: it has no retarget.map and not the canonical bone names, or its map leaves out the socket's bone

Fix

give the owner's animator a retarget.map that names the socket's bone (the hand, or the forearm for a shield)