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"ordered comparison of pointer with integer zero" error ArduinoIDE / ESP32

OS version: Windows 11 Arduino IDE version: 2.3.2 MFRC522 Library version: 1.4.11 Arduino device: DOIT ESP32 DEVKIT V1 MFRC522 device: MFRC522 (??) My ESP32 with MFRC522 worked well for a very long ...
GitHub

U8x8lib.h

extern "C" uint8_t u8x8_gpio_and_delay_arduino(u8x8_t *u8x8, uint8_t msg, uint8_t arg_int, void *arg_ptr); extern "C" uint8_t u8x8_byte_arduino_4wire_sw_spi(u8x8_t ...