I posted this in the newly created "Bug-Report" section on discord back in November
But at least it'll get fixed now that it got more attention, thank you
When you reinstalled, did you also remove the settings in your documents folder > 3DXChat > Settings ?
Just to rule out that it is not a setting that got broken somehow
Personally I like that you can see it, I mean you have to be really close for it to be visible, and you can see that the creator doesn't want you to go somewhere and not wondering if you are stuck in some flattened sphere / other bad build.
Just follow the guide Collin provided, it's really not that difficult, it's explained step-by-step and it makes it a lot easier to try and help you out