rev 342: "New Form" problem

[icoz]

When I try to add new form (aboutSar.ui) with .h and .cpp files,
classname AboutSar, dialog with bottom buttons, i got this in console
when program crashes:
...
Initializing "DefaultEdit"
Restoring Settings
Setting editor plugins
"SourceEdit"
"ProEdit"
"ImageEdit"
"HtmlEdit"
"HaiQDesigner"
"DefaultEdit"
Initializing HaiQController
Processing command-line arguments ()
**** qmake-HaiQ ****
Warning: Object::connect: No such signal
SourceEditorInterface::currentPositionChanged()
Warning: Object::connect: No such signal
SourceEditorInterface::currentPositionChanged()
Warning: Object::connect: No such signal
HaiQEditorInterface::currentPositionChanged()
Fatal: ASSERT: "indexToActiveWindow != -1" in file widgets/
qmdiarea.cpp, line 784
Aborted (core dumped)

Ps. Project just loaded, no files is opened.

Thanks,
Vladimir.