Contradiction with Jeremiah 29:11
Jeremiah 29:11 speaks of plans to prosper and not to harm, contrasting with Jeremiah 48:22's message of judgment.
Jeremiah 29:11: For I know the thoughts that I think toward you, saith the LORD, thoughts of peace, and not of evil, to give you an expected end. [expected...: Heb. end and expectation]
Contradiction with Matthew 5:44
Matthew 5:44 instructs to love your enemies, whereas Jeremiah 48:22 is part of a prophecy of destruction upon Moab.
Matthew 5:44: But I say unto you, Love your enemies, bless them that curse you, do good to them that hate you, and pray for them which despitefully use you, and persecute you;
Contradiction with Ezekiel 18:23
Ezekiel 18:23 expresses that God takes no pleasure in the death of the wicked, which could contrast with the tone of coming judgment in Jeremiah 48:22.
Ezekiel 18:23: Have I any pleasure at all that the wicked should die? saith the Lord GOD: [and] not that he should return from his ways, and live?
Contradiction with Romans 12:19
Romans 12:19 advises leaving vengeance to God and living peaceably, while Jeremiah 48:22 is part of declared vengeance against a nation.
Romans 12:19: Dearly beloved, avenge not yourselves, but [rather] give place unto wrath: for it is written, Vengeance [is] mine; I will repay, saith the Lord.