I seem to be having the same error as Raptor here. I get no estimate of how long snacks will last. And the whole Vessel Status window seems unresponsive. I can click the button for "Kerbin" and that switches to an empty list. The "Stop simulators" button does nothing at all. I do get estimates in the VAB.
Player Logs
Logs are here: https://www.dropbox.com/scl/fi/ljsrydo8k34h8aeq29nyx/Player.log?rlkey=1gjz5p5zve6piky2zi4lu9aaf&st=2ds3aapa&dl=0
The relevant bits are quotes here, I believe:
Steps to Reproduce:
I have recorded a video of the bug here:
My Modlist: