Heltec ESP32 LORA crash with Blynk

Hello,
i use ESP32 Heltec LoRa v2 with BlynK.
i use a half duplex comunication with 2 Heltec LoRa for receive callback mode. When i connect my App with Blynk (BLE connection), and lora comunication is on, the borad crash.
Any suggestion?

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