Thank you Patrick, At least I know I wasn't going mad trying to find the data. Cheers Peter

Hi Ivy, Thank you for the info, the video also helped, so much appreciated. Many thanks Peter

Thanks Ivy, Tried all sorts but didnt think about the NULL. Thank you Pete

Hi Mikko, Thanks for checking, it is Pete The issue is in is analytic workbooks/dataset, it works in saved search but not datasets. Thanks Pete