Contradiction with Deuteronomy 23:3
Deuteronomy 23:3 states that an Ammonite or Moabite shall not enter the congregation of the Lord, even to their tenth generation, which contrasts with Deuteronomy 23:8 allowing the children of Edomites and Egyptians in the third generation to enter.
Deuteronomy 23:3: An Ammonite or Moabite shall not enter into the congregation of the LORD; even to their tenth generation shall they not enter into the congregation of the LORD for ever:
Paradox #1
It might be seen as conflicting with earlier parts of the Bible that emphasize strict separation from certain groups. This verse seems more inclusive, which could appear inconsistent with other rules about who could be part of the community.