The amount of pressure that SpaceX is under is enough to make anyone blow their top. This is exactly what happened to a Starship prototype. An upper stage for SpaceX’s Starship MK-1 prototype erupted during a pressurization test.
The pressurization test occurred on Wednesday in Boca Chica, Texas. The upper portion
Source: Hot Hardware – SpaceX Starship MK-1 Prototype Destroyed By Epic Explosion During Testing