Griddify not working with my version of Photoshop CC Version: 20.0.6

[FillDreamCloud]

Griddify is not showing grids on my version of Photoshop (Photoshop CC Version: 20.0.6).
It also freezes Photoshop for a few seconds. Can anyone provide a remedy?'
Thanks

[LeninZapata]

I have the same problem