Contradiction with Job 30:20
Job cries out for help, but feels that God does not hear him, contrasting with the confidence in being heard in Psalms 77:1.
Job 30:20: I cry unto thee, and thou dost not hear me: I stand up, and thou regardest me [not].
Contradiction with Isaiah 59:2
This verse speaks about sin separating people from God so that He does not hear, which can contradict the assurance of God hearing in Psalms 77:1.
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 Lamentations 3:8
Even when crying and shouting for help, the speaker feels prayers are shut out, opposing the belief in Psalms 77:1 of being heard by God.
Lamentations 3:8: Also when I cry and shout, he shutteth out my prayer.
Contradiction with Ezekiel 8:18
God declares He will not listen to their cry, contradicting the hopeful expectation of being heard in Psalms 77:1.
Ezekiel 8:18: Therefore will I also deal in fury: mine eye shall not spare, neither will I have pity: and though they cry in mine ears with a loud voice, [yet] will I not hear them.
Contradiction with Micah 3:4
God will hide His face and not listen to them, opposing the assurance of being heard in Psalms 77:1.
Micah 3:4: Then shall they cry unto the LORD, but he will not hear them: he will even hide his face from them at that time, as they have behaved themselves ill in their doings.
Contradiction with Proverbs 1:28
They will call on God, but He will not answer, contrasting the assurance given in Psalms 77:1 of God hearing cries.
Proverbs 1:28: Then shall they call upon me, but I will not answer; they shall seek me early, but they shall not find me: