Oracle Message ORA-27073 - Trying to close a file which has async I/Os pending to be dequeued

ERRORTrying to close a file which has async I/Os pending to be dequeued
CAUSEinternal error, the file is being closed but not all async I/Os to the file have been dequeued, additional information indicates number of I/Os pending on the file
ACTIONcheck for trace file and contact Oracle Support