Thank you very much for using Dongle Max and very sorry for the issue.
as @KMMT has pointed out, we’ve noticed that migrating ZBDongle-P to Dongle Max from existing Zigbee2MQTT installation may not work well. Starting from a new Zigbee2MQTT installation (or deleting configuration files of existing Z2M) fixes the issue. We are working on the issue and want to provide a smooth migration.
By the way, v1.0.7 stable firmware for ESP32 has been released. It performs even better than v1.0.6.