If the spawn point for your island or warp was on a block that is now destroyed, it'll teleport you and drop you into the Void, maybe add a confirmation if it's not a safe teleportion or search for the closest block, teleport them and send a message letting them know to set a new spawn point?
If the spawn point for your island or warp was on a block that is now destroyed, it'll teleport you and drop you into the Void, maybe add a confirmation if it's not a safe teleportion or search for the closest block, teleport them and send a message letting them know to set a new spawn point?