Porque77
The Gospel is God's Law
...different groups of Jews may scribe the different books with significant errors...
You must understand that God's Law was changed by the scribes. This was announced by the prophets who said that the Law and the commandments had been changed:The examples that Jesus gives of commandments are straight out of the Torah. Thus it is the Torah that Jesus teaches brings eternal life, it is the Torah that he commands his followers.
"...but my people know not the ordinance of the LORD. "How can you say, 'We are wise, and the law of the LORD is with us'? But, behold, the false pen of the scribes has made it into a lie". (Jeremiah 8:7-8)
"And the land is defiled under its inhabitants, because they have transgressed the laws, changed the commandments, broken the everlasting covenant" (Isaiah 24: 5-6).
This is what happened, what the prophets tell us: The God's law was changed by the scribes. For this reason, the Old Testament's law is different to the commandments of Jesus Christ.