The reported filespace belonging to the reported node is currently being replicated as part of a REPLICATE NODE command. A filespace cannot be deleted while the replication is in progress.
The DELETE FILESPACE ends with a state of FAILURE.
Use the QUERY PROCESS command to view active REPLICATE NODE processes. Either wait for the replication to complete or cancel the replication process with the CANCEL PROCESS or CANCEL REPLICATION commands, and reissue the DELETE FILESPACE command.