Contradiction with Jeremiah 48:47
This verse speaks about the restoration of Moab, which contradicts the permanent desolation implied in Jeremiah 49:8 for Edom.
Jeremiah 48:47: Yet will I bring again the captivity of Moab in the latter days, saith the LORD. Thus far [is] the judgment of Moab.
Contradiction with Obadiah 1:18
This verse foretells the complete destruction of the house of Esau with no survivors, contrasting the idea of fleeing to survive in Jeremiah 49:8.
Obadiah 1:18: And the house of Jacob shall be a fire, and the house of Joseph a flame, and the house of Esau for stubble, and they shall kindle in them, and devour them; and there shall not be [any] remaining of the house of Esau; for the LORD hath spoken [it].