Abdullah bin Abbas reported,

Ukaz, Majannah, and Dhul-Majaz were marketplaces in the pre-Islamic era. The people felt it was sinful to engage in trade during the pilgrimage seasons, so the verse was revealed, "There is no blame upon you for seeking bounty from your Lord" [Baqarah 2:198], referring to the seasons of Hajj.

Azami 11981

Sahih

عن ابن عباس قال

كانت عكاظ ومجنة وذو المجاز أسواقا في الجاهلية، فتأثموا أن يتجروا في المواسم، فنزلت: {ليس عليكم جناح أن تبتغوا فضلا من ربكم} في مواسم الحج.

الأعظمي 11981صحيح
Contents
Reference
Commentary
Ayat
Collection
Jami al-Kamil
Book
Tafsir of the great Quran
Chapter
Virtues of Surah Baqarah
Section
His saying, "There is no sin upon you that you seek bounty from your Lord. And when you depart from Arafat, remember Allah at Mashar al-Haram and remember Him as He has guided you, even though you were before that among"
Numbering
Jami al-Kamil 11981 (2nd edition)
Azami 11981