If you remove a condition when you have more than 1 blank conditions, the removed condition is no longer available for selection in the other blank condition.
Imgur link showcasing what I’m talking about with comments explaining how to reproduce the bug: https://imgur.com/a/NdRoEof
System specs:
cpu: ryzen 3600
ram: 2x8gb ddr4
gpu: radeon 5700xt
operating system: windows 10
graphics settings: ultra