No human being is perfect, not even Moshe Rabeinu, who made mistakes and erred at times.
Though these actions might be perceived as sins due to Moshe Rabeinu’s elevated spiritual level, beyond our basic comprehension, as we are so removed from the Dor Hamidbar, the Torah still acknowledges them as such.
This is one of the remarkable aspects of the Torah – its honesty. Unlike other religious texts, which often idealize their leaders and avoid mentioning their faults, the Torah, as Toras Emes, presents its leaders as fallible and capable of making mistakes