Contradiction with Genesis 12:1
God's command to Abram was to leave his country and kindred, whereas Genesis 36:6 involves Esau taking his family and departing from Jacob.
Genesis 12:1: Now the LORD had said unto Abram, Get thee out of thy country, and from thy kindred, and from thy father's house, unto a land that I will shew thee:
Contradiction with Genesis 13:14-15
God promises land to Abram and his descendants forever, which contrasts with Esau leaving the land of Canaan.
Genesis 13:14-15: And the LORD said unto Abram, after that Lot was separated from him, Lift up now thine eyes, and look from the place where thou art northward, and southward, and eastward, and westward:
Contradiction with Genesis 31:3
God tells Jacob to return to his father's land and kindred, unlike Esau, who moves away from his kindred in Genesis 36:6.
Genesis 31:3: And the LORD said unto Jacob, Return unto the land of thy fathers, and to thy kindred; and I will be with thee.