Problem importing points and trajectories from BrainLab

Hi,
I have exported data from BrainLab station, and managed to import the MRI scans and object segmentation. When I try to upload the points and trajectories, slicer gives the following error:


I am using Slicer version 5.6.2 on Windows 10

Would appreciate any help!
Thanks

You might have the same issue discussed here: