Contradiction with Proverbs 28:9
This verse suggests that those who turn away from hearing the law will have their prayers considered an abomination, which contradicts the idea in Psalms 61:5 of God hearing vows.
Proverbs 28:9: He that turneth away his ear from hearing the law, even his prayer [shall be] abomination.
Contradiction with Isaiah 59:2
This verse points out that iniquities can separate people from God and hide His face from them, so He will not hear, contradicting the assurance of being heard in Psalms 61:5.
Isaiah 59:2: But your iniquities have separated between you and your God, and your sins have hid [his] face from you, that he will not hear. [have hid: or, have made him hide]
Contradiction with John 9:31
This verse asserts that God does not listen to sinners, which can contradict Psalms 61:5's implication of God hearing vows regardless of one's status.
John 9:31: Now we know that God heareth not sinners: but if any man be a worshipper of God, and doeth his will, him he heareth.
Contradiction with James 4:3
This verse notes that prayers go unanswered when asked with wrong motives, conflicting with the idea of vows being heard as mentioned in Psalms 61:5.
James 4:3: Ye ask, and receive not, because ye ask amiss, that ye may consume [it] upon your lusts. [lusts: or, pleasures]