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An error occurred. You should save all data and quit the program to prevent possible data loss.
See the error log for details.
/Volumes/FastDrive/Developer/MITK/bin/itk4/MITK-superbuild/ITK-src/Modules/Core/Common/src/itkProcessObject.cxx:1201:
itk::ERROR: StochasticTractographyFilter(0x7fcbe2f40000): At least 2 of the first 2 indexed inputs are required but only 1 are specified. The required inputs are expected to be the first inputs.
To reproduce error use the mask and dwi inside the net drive: "NeuroImage/tmp/bug-*-stochastic-tracking/" directory and start stochastic tracking with default values.