[Gate-users] pet simulation

[pouya Hoseini]

hi gaters.i am working on simulation a pet biograph system.i have a error when run a macro as follows:
parameter value (OGLSQT) is not listed in the candidate List.ERROR: G4VisCommandViewerCreate::SetNewValue: no scene handlers.  Create a scene handler with "/vis/sceneHandler/create"ERROR: G4VisCommandsViewerSet::SetNewValue: no current viewer.ERROR: G4VisCommandsViewerZoom::SetNewValue: no current viewer.ERROR: Current scene handler not defined.  Please select or create one.

do you know what is thise?
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