Fix Verisure alarm crash when cloud rejects arm/disarm command

homeassistant/components/verisure/alarm_control_panel.py

@@ -9,6 +9,7 @@
     CodeFormat,
 )
 from homeassistant.core import HomeAssistant, callback
+from homeassistant.exceptions import HomeAssistantError
 from homeassistant.helpers.device_registry import DeviceInfo
 from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
 from homeassistant.helpers.update_coordinator import CoordinatorEntity
@@ -63,6 +64,12 @@ async def _async_set_arm_state(
             self.coordinator.verisure.request, command_data
         )
         LOGGER.debug("Verisure set arm state %s", state)
+        if arm_state is None or "data" not in arm_state:
+            await self.coordinator.async_refresh()
+            raise HomeAssistantError(
+                translation_domain=DOMAIN,
+                translation_key="arm_state_failed",
+            )
         result = None
         attempts = 0
         while result is None:
@@ -77,6 +84,8 @@ async def _async_set_arm_state(
                     list(arm_state["data"].values())[0], state
                 ),
             )
+            if transaction is None:
+                continue
             result = (
                 transaction.get("data", {})
                 .get("installation", {})

homeassistant/components/verisure/strings.json

@@ -51,6 +51,11 @@
       }
     }
   },
+  "exceptions": {
+    "arm_state_failed": {
+      "message": "Failed to change alarm state. Verify your code is correct and that your account is not temporarily locked."
+    }
+  },
   "options": {
     "step": {
       "init": {