So I'm having the same issue. POI never registered.... Don't know if this is much help but a workaround for the issue for me was to just break the block(barrel) before opening it and before it causes the server to crash again.
So I'm having the same issue. POI never registered.... Don't know if this is much help but a workaround for the issue for me was to just break the block(barrel) before opening it and before it causes the server to crash again.