Compiling: tmk_core/common/command.c                                                                [OK]
Linking: .build/iris_rev2_mung.elf                                                                  [OK]
Creating load file for flashing: .build/iris_rev2_mung.hex                                          [OK]
Checking file size of iris_rev2_mung.hex                                                            [OK]
 * The firmware size is fine - 26160/28672 (2512 bytes free)
Copying iris_rev2_mung.hex to qmk_firmware folder                                                   [OK]
Detecting USB port, reset your controller now......
Detected controller on USB port at /dev/ttyACM0

Connecting to programmer: .
Found programmer: Id = "CATERIN"; type = S
    Software Version = 1.0; No Hardware Version given.
Programmer supports auto addr increment.
Programmer supports buffered memory access with buffersize=128 bytes.

Programmer supports the following devices:
    Device code: 0x44

avrdude: AVR device initialized and ready to accept instructions

Reading | ################################################## | 100% 0.00s

avrdude: Device signature = 0x1e9587 (probably m32u4)
avrdude: NOTE: "flash" memory has been specified, an erase cycle will be performed
         To disable this feature, specify the -D option.
avrdude: erasing chip
avrdude: reading input file ".build/iris_rev2_mung.hex"
avrdude: input file .build/iris_rev2_mung.hex auto detected as Intel Hex
avrdude: ERROR: address 0x800265 out of range at line 1637 of .build/iris_rev2_mung.hex
avrdude: read from file '.build/iris_rev2_mung.hex' failed

avrdude: safemode: Fuses OK (E:CB, H:D8, L:FF)

avrdude done.  Thank you.

make[1]: *** [tmk_core/avr.mk:198: avrdude] Error 1
Make finished with errors
make: *** [Makefile:544: iris/rev2:mung:avrdude] Error 1