John Calvin Commentary Deuteronomy 1:27

"and ye murmured in your tents, and said, Because Jehovah hated us, he hath brought us forth out of the land of Egypt, to deliver us into the hand of the Amorites, to destroy us." — Deuteronomy 1:27 (ASV)

And you murmured in your tents. Elsewhere he says that they also wept; here he only speaks of their murmuring, which better suited his reproof.

He then reminds them how malignant their ingratitude and perversity had been in reproaching God for the special blessing He had bestowed on them, as if He had done them a grievous injury.

He could not have provided them a clearer proof of His fatherly love for them than by their deliverance. Most wicked, therefore, is their way of repaying Him, namely, by complaining that they had been cruelly led out to die, and by interpreting His exceedingly great love as hatred.

It is clear from the next verse that, although Moses does not relate the details in their proper order, there is still no contradiction in his words.

A little before, he had seemed to give unqualified praise to the spies, as if they had carried out their duty honestly and faithfully. But now, from the language of the people, he shows that they were the authors of the revolt, since they paralyzed, by the terror they inspired, those they should have encouraged.