Hi Britt,

I did some testing here, Nutil v0.8.0 generates RefAtlasRegion reports for WHSv4 as it should (did you use this version of Nutil?). So I'm not sure what's happening on your end. If you send me a test dataset (at least one segmentation in png format, corresponding atlas map in flat format, the json file from QuickNII or VisuAlign containing the anchoring information and the nut file from Nutil) then I can try to replicate the error. 

Sharon Yates (s.c.yates@medisin.uio.no)