What is the authenticity of this hadith? Abu Ya‘la in Musnad (4365): From Shayban b. Farrukh, from Tayyib b. Salman, from ‘Amrah, from Umm al-Mu’minin, from the Messenger of Allah ﷺ: Whoever prays Fajr… then prays 4 rak‘ahs of Duha, his sins are erased. I said: its chain is Hasan (good).

Ustadh AbdulAziz al-Haqqan
Post it in Arabic if u can and I will look it up, as i do not know.