Contradiction with Exodus 14:10-11
This verse shows the Israelites expressing fear of the Egyptians, contradicting the encouragement in Deuteronomy 1:29 to "Dread not, neither be afraid of them."
Exodus 14:10-11: And when Pharaoh drew nigh, the children of Israel lifted up their eyes, and, behold, the Egyptians marched after them; and they were sore afraid: and the children of Israel cried out unto the LORD.
Contradiction with 2 Kings 17:7
This verse explains that the Israelites feared other gods, contradicting the instruction in Deuteronomy 1:29 not to be afraid.
2 Kings 17:7: For [so] it was, that the children of Israel had sinned against the LORD their God, which had brought them up out of the land of Egypt, from under the hand of Pharaoh king of Egypt, and had feared other gods,
Contradiction with Numbers 14:1-2
Here, the Israelites express fear and wish to return to Egypt, contrary to the exhortation not to fear in Deuteronomy 1:29.
Numbers 14:1-2: And all the congregation lifted up their voice, and cried; and the people wept that night.