[SOLVED] vdi compact not working anymore in 3.1.0 Beta 1

[MrEasy]

When trying to compact a VDI the error below occurs.
There is no filehandle to that VDI open. Aslo tried with administrative rights.
Win7 64bit

c:\Program Files\Sun\VirtualBox>VBoxManage.exe modifyvdi d:\vms\MyVDI.vdi --compact
VirtualBox Command Line Management Interface Version 3.1.0_BETA1
(C) 2005-2009 Sun Microsystems, Inc.
All rights reserved.

ERROR: Medium 'D:\vms\MyVDI.vdi' is not accessible. Accessibility check was not yet performed
Details: code E_FAIL (0x80004005), component Medium, interface IMedium, callee IUnknown
Context: "Compact(progress.asOutParam())" at line 482 of file VBoxManageDisk.cpp
ERROR: code E_FAIL (0x80004005) - Unspecified error (extended info not available)

[klaus]

Thanks for the report, this will be fixed in beta2.