uint8_t res = send_packet(My_addr, Rx_addr, Tx_fifo, Pktlen, 0); throws error

[SinanAkkoyun]

Hey,
I wired the CC1101 board up like the code suggests. I connected GPO0 to 36 and GPO1 to 35.
However, I get the error:
E (260617) [CC1101 TXtask]: [26/26] Error

Btw, my RTL_SDR shows some very short activity in the specified spectrum, but it is so short idk.