That DEFAULT should not have been removed.

src/config/Hardware.h

@@ -5,7 +5,7 @@
 #include <E24.h>
 #include <SoftwareSerial.h>
 
-#define E24_ADDRESS 	E24_ADDR						///< I2C address of the 24xxx chip
+#define E24_ADDRESS 	E24_DEFAULT_ADDR				///< I2C address of the 24xxx chip
 #define E24_SIZE		E24Size_t::E24_512K				///< 24xxx chip size
 
 #define SIM808_BAUDRATE 4800							///< Control the baudrate use to communicate with the SIM808 module