== How to reproduce ==
Happens on at least on Windows:
# Open our 3D+t-Heart image from {rMD}.
# Create a segmentation
# Switch to timestep 1
# Fill image in axial view
== Error message ==
```67.67 core.mod.apputil.safenotify ERROR: An error occurred: MITK Exception:
Description: No iterator at invalid timestep 103. There are only 2 timesteps available.
Filename: D:\MITK\Modules\ContourModel\DataManagement\mitkContourModel.cpp
Line: 269```