Dont' crash when removing non-existing device. https://github.com/Koenkk/zigbee2mqtt/issues/2241

lib/extension/bridgeConfig.js

@@ -236,6 +236,11 @@ class BridgeConfig extends BaseExtension {
             remove: ['removed', 'Removing', 'remove'],
         };
 
+        if (!entity) {
+            logger.error(`Cannot ${lookup[action][2]}, device '${message}' does not exist`);
+            return;
+        }
+
         const cleanup = () => {
             // Remove from configuration.yaml
             settings.removeDevice(entity.settings.ID);

test/bridgeConfig.test.js

@@ -289,6 +289,13 @@ describe('Bridge config', () => {
         expect(settings.get().ban).toStrictEqual(['0x000b57fffec6a5b3']);
     });
 
+    it('Shouldnt crash when removing non-existing device', async () => {
+        MQTT.publish.mockClear();
+        MQTT.events.message('zigbee2mqtt/bridge/config/remove', 'not_existing_123');
+        await flushPromises();
+        expect(logger.error).toHaveBeenCalledWith(`Cannot remove, device 'not_existing_123' does not exist`);
+    });
+
     it('Should handle when remove fails', async () => {
         const device = zigbeeHerdsman.devices.bulb_color;
         device.removeFromNetwork.mockClear();