Contradiction with Genesis 25:25
The birth of Esau is described as him being the firstborn, whereas in Genesis 38:29, the breach signifies that Perez unexpectedly comes first.
Genesis 25:25: And the first came out red, all over like an hairy garment; and they called his name Esau.
Contradiction with Romans 9:12-13
These verses suggest that the purpose of God according to election might stand, indicating divine selection regardless of birth order, which contrasts with Perez's unexpected breach.
Romans 9:12-13: It was said unto her, The elder shall serve the younger. [elder: or, greater] [younger: or, lesser]