An attempt to set a processes DebugPort or ExceptionPort was made, but a port already exists in the process or an attempt ...

An attempt to set a processes DebugPort or ExceptionPort was made, but a port already exists in the process or an attempt to set a file's CompletionPort made, but a port was already set in the file or an attempt to set an alpc port's associated completion port was made, but it is already set.