Answer:

These kind of claims are nothing new. During the time of Messenger of Allah, Muhammad(pbuh) and when Qur’an was revealing to him, many polytheists, unbelievers and sinners are used these kind of sayings in their propaganda which are also mentioned in historical documents and Siyer-i Nabi. Allah the Almighty indicates that Holy Qur’an is not a poetry as through following verses:

وَمَا عَلَّمْنَاهُ الشِّعْرَ وَمَا يَنْبَغ۪ي لَهُ اِنْ هُوَ اِلَّا ذِكْرٌ وَقُرْاٰنٌ مُب۪ينٌ لِيُنْذِرَ مَنْ كَانَ حَيًّا وَيَحِقَّ الْقَوْلُ عَلَى الْكَافِر۪ينَ

 We did not teach him(Muhammad) poetry, nor it was necessary for him. It is nothing but a reminder and explanatory Quran. To warn whoever is alive, and to become definite for deniers that the word of Allah is descended. (Surat Yā-Sīn 36/69-70)

 The Holy Qur’an is not a poetry and there is no poetry inside of it. Also, It is revealed that Umar ibn al-Khattāb told to people about how he believed in Islam and became Muslim as following sentences explain:

“One night I got out to drink. When I could not find anywhere, I decided to go on Kaaba to tawaf it. When I arrive there, I saw the Messenger of Allah who was performing salah; and I wanted to listen him while he was reciting the Qur’an so I got under sheets of Kaaba and came right in front of him. In my mind I was thinking that “this is poetry like people of Quraysh Tribe was saying”; and at that moment he said this verse:

وَمَا هُوَ بِقَوْلِ شَاعِرٍ قَل۪يلًا مَا تُؤْمِنُون 

And it is not the word of a poet; little is it that you believe. (Surat Al-Ĥāqqah 69/41) 

And when I was thinking that “he is a clairvoyant and he is making up these words”, he read the following verses:

وَلَوْ تَقَوَّلَ عَلَيْنَا بَعْضَ الْاَقَاو۪يلِ  لَاَخَذْنَا مِنْهُ بِالْيَم۪ينِ  ثُمَّ لَقَطَعْنَا مِنْهُ الْوَت۪ينَ  فَمَا مِنْكُمْ مِنْ اَحَدٍ عَنْهُ حَاجِز۪ينَ 

If he (Muhammad) had fabricated against Us some sayings, We would have seized him by force, then We would have cut off his aorta. And none of you could  save him. (Surat Al-Ĥāqqah 69/44-47)

He was answering the every question which was passing through my mind so that my heart softened and my eyes got glassy. That way Qur’an led me to accept Islam; which is settled in my heart all the way. Lastly, he finished reading it and went towards his home. I went behind him as well. At the street of his home he sensed and recognized me. He thought that I was going to oppress  him  so he called me ‘O Umar What is going on!’ – I said ‘I came to obey the Allah, his Messenger and whatever he brought to us.’ He stroked around my heart and prayed. After that he said “With the Wisdom of Allah” and he went(entered) to his home.”

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1. Classical source: Ahmad b. Hanbal, 1/17; Ibn Hisham Sirah an-Nabawiyyah, c: 3, s. 166

1. Alternative source: Mehmet Azimli says this story  of Umar is more valid and accurate comparing  to other rumors, Look for more info: Mehmet Azimli, Siyeri Farklı Okumak, Ankara Okulu Yayınları, Ankara, 2010, s. 115 vd.)

There is no resolution of this, apart from repenting -Tawba- and taking decision to keep on praying and fasting regularly, conformed to rules of Islam.