嘗試設定 DebugPort 或 ExceptionPort 程序，但是程序中已有連接埠，或是嘗試設定檔案的 CompletionPort，但是檔案中已設定連接埠，或是嘗試設定與完成連接埠相關聯的 alpc 連接埠，但是它已設定。

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.