Contradiction with Jeremiah 12:7
Psalms 122:9 speaks of peace for the sake of God's house, whereas Jeremiah 12:7 talks about God forsaking His house, which contrasts with the blessing of peace.
Jeremiah 12:7: I have forsaken mine house, I have left mine heritage; I have given the dearly beloved of my soul into the hand of her enemies. [the dearly...: Heb. the love]
Contradiction with Matthew 10:34
Psalms 122:9 seeks peace for God's house, but Matthew 10:34 describes Jesus not bringing peace, but a sword, highlighting conflict rather than peace.
Matthew 10:34: Think not that I am come to send peace on earth: I came not to send peace, but a sword.
Contradiction with Isaiah 48:22
Psalms 122:9 implies a blessing of peace, while Isaiah 48:22 states there is no peace for the wicked, contrasting the universality of peace.
Isaiah 48:22: [There is] no peace, saith the LORD, unto the wicked.
Contradiction with Ezekiel 7:25
Psalms 122:9 calls for peace due to God's presence, while Ezekiel 7:25 speaks of destruction and lack of peace, opposing the tranquility mentioned.
Ezekiel 7:25: Destruction cometh; and they shall seek peace, and [there shall be] none. [Destruction: Heb. Cutting off]
Contradiction with Lamentations 3:17
Psalms 122:9 wishes for peace on behalf of God's house, yet Lamentations 3:17 reflects an absence of peace and prosperity, contradicting the desired state of wellbeing.
Lamentations 3:17: And thou hast removed my soul far off from peace: I forgat prosperity. [prosperity: Heb. good]