the King James Version is full of errors. Any historian can tell you that. Just look at the preface to the “Revised King James” for my authority on that subject.
This error in the Latin Vulgate was compounded in 1515 when Michelangelo carved horns on his famous statue of Moses, which can be seen today in the Church of San Pietro in Vincoli in Rome.
So, did Moses have horns, Kansas58?