Reported Version: v0.1.3 (latest) | Mods: none | Can replicate without mods? Yes  OS: Windows 11 | CPU: AMD Ryzen 7 5800X3D | GPU: RTX 4090 | RAM: 31.92 System Specs: Severity: High/Med Frequency: High - Happens every time Description: Attaching Grumble seat to STJ-3125 causes an odd crash after loading onto runway. Crash only gets worse after reverting to VAB. Also (and not included in the attached video) when I can fly the vehicle using a different structure part (but