Updating Workflow Instance's Attachments via LAPI (Java)

Julia_Kuznetsov_(modususer1_-_(deleted))

I'm having a problem obtaining a particular wf attachment (a document) id in order to create a new version of it.I was able to AccessWorkflowPackage and get a FolderID for attachments. But when I try to ListObjects for this FolderID, I'm getting Error 103901 ("can't get results").For VolumeID param I tried to use -2000 (Enterp. WS), Personal WS ID, Workflow ID ( that was listed as ParentID for this folder id in the DTREE table. Nothing works!Here is a sample of my callret = documents.ListObjects(-2000, wfFolderID, null, null, documents.PERM_SEE, attachments);Please HELP!!!!Julia Kuznetsov