diff --git a/game/ground_forces/ai_ground_planner.py b/game/ground_forces/ai_ground_planner.py
index 86dc8f60..a5cfb9f0 100644
--- a/game/ground_forces/ai_ground_planner.py
+++ b/game/ground_forces/ai_ground_planner.py
@@ -151,7 +151,12 @@ class GroundPlanner:
             while available > 0:
                 if len(self.connected_enemy_cp) > 0:
                     enemy_cp: ControlPoint = random.choice(self.connected_enemy_cp)
-                    frontline_stance = self.cp.stances[enemy_cp.id]
+                    frontline_stance = self.cp.stances.get(enemy_cp.id)
+                    if not frontline_stance:
+                        logging.warning(
+                            f"{self.cp.name} lost its frontline stance for {enemy_cp.name}"
+                        )
+                        frontline_stance = CombatStance.DEFENSIVE
                     group_size_choice = GROUP_SIZES_BY_COMBAT_STANCE[frontline_stance]
                     if role == CombatGroupRole.SHORAD:
                         count = 1
diff --git a/game/missiongenerator/aircraft/aircraftbehavior.py b/game/missiongenerator/aircraft/aircraftbehavior.py
index ccaa0520..119e8068 100644
--- a/game/missiongenerator/aircraft/aircraftbehavior.py
+++ b/game/missiongenerator/aircraft/aircraftbehavior.py
@@ -351,6 +351,8 @@ class AircraftBehavior:
         preferred_task: Type[MainTask],
         fallback_task: Optional[Type[MainTask]] = None,
     ) -> None:
+        ac_type = flight.unit_type.dcs_unit_type.id
+
         # Not all aircraft are always compatible with the preferred task,
         # so a common fallback is to use CAS instead.
         # Sometimes it's also the other way around,
@@ -362,8 +364,12 @@ class AircraftBehavior:
             group.task = preferred_task.name
         elif fallback_task and fallback_task in flight.unit_type.dcs_unit_type.tasks:
             group.task = fallback_task.name
+        elif flight.unit_type.dcs_unit_type.task_default and preferred_task == Nothing:
+            group.task = flight.unit_type.dcs_unit_type.task_default.name
+            logging.warning(
+                f"{ac_type} is not capable of 'Nothing', using default task '{group.task}'"
+            )
         else:
-            ac_type = flight.unit_type.dcs_unit_type.id
             fallback_part = f" nor {fallback_task.name}" if fallback_task else ""
             raise RuntimeError(
                 f"{ac_type} is neither capable of {preferred_task.name}"