(SW_CPU_RESET),boot:0x12 (SPI_FAST_FLASH_BOOT)

Im using a LoRa module this device uses SPI, when i power on esp32 at serial monitor this error appeared and esp restarted

(SW_CPU_RESET),boot:0x12 (SPI_FAST_FLASH_BOOT)

the conections are:

#define SCK 18
#define MISO 19
#define MOSI 23
#define SS 5
#define RST 12
#define DIO0 13

Anybody knows how to fix it?