Unknown interrupt flags for fsk - Dragino Lora GPS hat

Hello all.
I have a problem with the program in my node.
I using Raspberry Pi 3A+ and Dragino Lora Gps hat.

Sometimes I get two errors.
If it gets them, the first minutes of the program, later not.

-Failure. Radio.c : 629
-Unknown interrput flags for fsk

What i have to do?

Up, can You help me?