404. That’s an error.
The requested URL /~ff/bn?a=2eiJyynfdmw:oCW8E00r8c0:qj6IDK7rITs was not found on this server. That’s all we know.
/~ff/bn?a=2eiJyynfdmw:oCW8E00r8c0:qj6IDK7rITs