Was finishing out October, I had downed a Very Large ship and rather than assault it at night, I opted to let time pass and let daylight come, soon as the clock hit 23:59:59 however, the game crashes and gives me this error.
[14-09-2018_14-56-41] [FATAL] A fatal error has occurred: Error proccessing mission script named: invasion, mission type: STR_HYBRID_GROUND_CONVOY is not defined
[14-09-2018_14-56-41] [FATAL] Unfortunately, no stack trace information is available
[14-09-2018_14-58-18] [FATAL] OpenXcom has crashed: Error proccessing mission script named: invasion, mission type: STR_HYBRID_GROUND_CONVOY is not defined
Save file included.