Error handling could crash instance due to type error

[tsteckenborn]

cap-sflight/srv/travel-service.ts

Line 96 in c64a185

if (!travel) throw req.reject (404, `Travel "${travel.ID}" does not exist; may have been deleted meanwhile.`)

Here you're trying to read travel.ID after checking that travel is not defined. I assume trying this will crash it due to trying to read a property of something undefined.