Hey, I have a heavily modded install (I know), and I am having a problem where the VAB categories are failing if I click on "Filter by Cross Section". It does not refresh the list of parts, and continues to fail to refresh the list after this point, until I exit the VAB. Effectively, this part of the filters is broken for me at this time.
I see a tab with a "?" which is the default option, situated above "Mk2". It does not have a tooltip.
I am getting the following error when I use the