Dimesnion tool not working

My dimension tool is not working unless I close (any ) model and restart my mac. Snapping is also glitchy at best.
Running an Imac on Ventura with SU pro 2023. Only just started happening after a week of being away.
Any thoughts?

Sketchup hasn’t been updated in a long time now so it must be something on your end, I’m using sketchup in my MacBook with Ventura as well and I haven’t had any issues.

Please update your forum profile. It says you are running SketchUp Pro 2022 on iOS, which is not possible and not consistent with what you wrote in your post.

If share a skp in which you have the issue, people here will take a look and see if we spot a reason.