I open a drawing:
![](https://forum.librecad.org/file/n5725092/lc_01.png)
I click Options>Current Drawing Preferences (even if I don't make any changes) and click OK, the dimension lines disappear:
![](https://forum.librecad.org/file/n5725092/lc_02.png)
The only way I've found to get them back is to close and re-open the drawing. Extremely annoying. Why is this happening?