What is the main topic of Musnad Ahmed Hadith 233?

Musnad Ahmed: Hadith 233

2. Musnad Umar ibn Khattab

Musnad Ahmed

Sahih hadeeth and its isnad is Hasan, al-Bukhari (1287) and Muslim (927)]

It was narrated from Ibn Abu Mulaikah, who heard Ibn "Abbas (رضي الله عنه) say:

"Umar (رضي الله عنه) said to me: I heard the Messenger of Allah (ﷺ) say: “The deceased is tormented because of the weeping of his family over him."

Reference: Musnad Ahmad 386
Arabic/English book : Book 2, Hadith 386