Hue Go - Philips Hue Zigbee app

My Hue Go wasn’t recognized by the Philips Hue Zigbee app, so the device has been installed as an unknown zigbee device. I sent an e-mail to the app developer a while ago, but he hasn’t replied yet. Could someone help me? No Hue hub was used in the past and I have reset the Go several times using the Hue BT app. Product ID LCT026, Device ID 269, Profile ID 260.