In Lesson 8, Exercise 2, step 6, "uint8_t race_condition = 0;" is declared twice:
uint8_t race_condition = 0;
uint8_t race_condition = 0;
int32_t increment_count_copy = 0;
int32_t decrement_count_copy = 0;
increment_count += 1;
increment_count = increment_count % COMBINED_TOTAL;
decrement_count -= 1;
if (decrement_count == 0)
{
decrement_count = COMBINED_TOTAL;
}

