Cannot write data file:...labelmap associated ColorTable.ctbl

Operating system: Windows 10
Slicer version: 4.10.2
Expected behavior: Save full scene
Actual behavior: Saves empty “TempWrite” directory in the destination directory. The labelmap.nrrd is empty when reopened in Slicer.

[ERROR][VTK] 17.08.2020 15:28:37 [vtkMRMLColorTableStorageNode (000001EBAEB8B390)] (D:\D\S\Slicer-4102\Libs\MRML\Core\vtkMRMLColorTableStorageNode.cxx:237) - ERROR opening colour file D:/Adam/Bullseye/1) EVD Neurosurgical Application/2020-08-09_cadaver_evd_pre-clinical proof-of-concept/5) scenes/GL1810218/4) GL1810218_preop ct to postop ct_preop ct skin segmentation threshold optimization/GL1810218_preop_skin segmentation_-300-label_ColorTable.ctbl

The extremely long filename may be an issue. Could you try a shorter filename and path?