Found this:
20:37:23.517 [pimatic-hass] debug: Look for adapter for device: test-button_klick
20:37:23.519 [pimatic-hass] debug: Adapter found for device: test-button_klick
20:37:23.519 [pimatic-hass] debug: Adapter found for topic hass/pimatic-bridge_test-button_klick/set, test-button_klick
20:37:23.520 [pimatic] error: An uncaught exception occurred: TypeError: Cannot read property 'handleMessage' of undefined
20:37:23.520 [pimatic] error:> at MqttClient._this.client.on._this.clientMessageHandler (/home/ortin/pimatic-app/node_modules/pimatic-hass/pimatic-hass.coffee:170:37)
20:37:23.520 [pimatic] error:> at MqttClient.emit (events.js:198:13)
20:37:23.520 [pimatic] error:> at MqttClient._handlePublish (/home/ortin/pimatic-app/node_modules/mqtt/lib/client.js:1162:12)
20:37:23.520 [pimatic] error:> at MqttClient._handlePacket (/home/ortin/pimatic-app/node_modules/mqtt/lib/client.js:351:12)
20:37:23.520 [pimatic] error:> at work (/home/ortin/pimatic-app/node_modules/mqtt/lib/client.js:283:12)
20:37:23.520 [pimatic] error:> at Writable.writable._write (/home/ortin/pimatic-app/node_modules/mqtt/lib/client.js:294:5)
20:37:23.520 [pimatic] error:> at doWrite (/home/ortin/pimatic-app/node_modules/readable-stream/lib/_stream_writable.js:428:64)
20:37:23.520 [pimatic] error:> at writeOrBuffer (/home/ortin/pimatic-app/node_modules/readable-stream/lib/_stream_writable.js:417:5)
20:37:23.520 [pimatic] error:> at Writable.write (/home/ortin/pimatic-app/node_modules/readable-stream/lib/_stream_writable.js:334:11)
20:37:23.520 [pimatic] error:> at Socket.ondata (_stream_readable.js:709:20)
20:37:23.520 [pimatic] error:> at Socket.emit (events.js:198:13)
20:37:23.520 [pimatic] error:> at Socket.emit (/home/ortin/pimatic-app/node_modules/pimatic/startup.coffee:64:24)
20:37:23.520 [pimatic] error:> at addChunk (_stream_readable.js:288:12)
20:37:23.520 [pimatic] error:> at readableAddChunk (_stream_readable.js:269:11)
20:37:23.520 [pimatic] error:> at Socket.Readable.push (_stream_readable.js:224:10)
20:37:23.520 [pimatic] error:> at TCP.onStreamRead [as onread] (internal/stream_base_commons.js:94:17)
20:37:23.520 [pimatic] error:> This is most probably a bug in pimatic or in a module, please report it!
20:37:23.521 [pimatic] warn: Keeping pimatic alive, but could be in an undefined state, please restart pimatic as soon as possible!
Unhandled rejection Error: unknown state="null"!
Unhandled rejection Error: unknown state="null"!