Diffusion Tensor Estimation is not working with my data

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4

I tried the same with different data and now it is saying:

Description: ImageIO returns IO region that does not fully contain the requested regionRequested region: ImageRegion (0x7fff5fbf9c10)
  Dimension: 3
  Index: [0, 0, 0]
  Size: [400, 512, 1]
StreamableRegion region: ImageRegion (0x7fff5fbf9c48)
  Dimension: 3
  Index: [0, 0, 0]
  Size: [160, 160, 1]



Exception creating converter 
itk::InvalidRequestedRegionError (0x107001c08)
Location: "unknown" 
File: /Users/kitware/Dashboards/Package/Slicer-481-package/ITKv4/Modules/IO/ImageBase/include/itkImageFileReader.hxx
Line: 350
Description: ImageIO returns IO region that does not fully contain the requested regionRequested region: ImageRegion (0x7fff5fbf9c10)
  Dimension: 3
  Index: [0, 0, 0]
  Size: [400, 512, 1]
StreamableRegion region: ImageRegion (0x7fff5fbf9c48)
  Dimension: 3
  Index: [0, 0, 0]
  Size: [160, 160, 1]

Can you give me some advice?