What is meant by "will be resurrected alone" in the Hadith: "May Allah have mercy on Abu Dharr, he walks alone, dies alone, and will be resurrected alone"?

The Hadith reported from Abu Dharr: "May Allah have mercy on Abu Dharr, he walks alone, dies alone, and will be resurrected alone," was narrated through two chains, both of which are weak and unauthentic.

The first chain is from Abdullah ibn Mas'ud, and it contains weakness due to Buraydah ibn Sufyan.

The second chain is from Abu al-Muthanna al-Amluki al-Himsi, and it is mursal (has a missing link at the end of the chain) and contains an unknown narrator in the one who sent it.

Since its chain of transmission is not established, there is no need to delve into its interpretation.