avrdude: verification error, first mismatch at byte 0x0002 0x7d != 0x7e

Using Arduino Microcontrollers
1

i've encounter this kind problem during running my code inside the Arbotix-m

avrdude: verification error, first mismatch at byte 0x0002
0x7d != 0x7e
avrdude: verification error; content mismatch

regards,
Amir Abdul Aziz