Are the narrators of the hadith "The deeds of the son of Adam are presented to Allah on Thursday evening, and the deeds of one who severs ties of kinship are not accepted" trustworthy? And if so, does that mean the hadith is authentic, or is it possible that there is an error in it?

The phrase "its narrators are trustworthy," mentioned by Al-Haythami in "Majma' Al-Zawa'id," does not signify the authentication of theithadith, due to the possibility of a break in the chain of narration. Al-Albani graded the isnad (definition) (chain of narration) of this hadith (definition) as weak, but he strengthened it with the hadith of Usama ibn Zayd, thus classifying it as hasan (definition) (good), and Al-Arna'ut also classified it as hasan. The hadith illustrates the gravity of cutting off kinship ties, and that it may nullify the reward of good deeds. This is not like the nullification of deeds by disbelief altogether; rather, scholars have interpreted it to mean that its doer fears that the balance of his evil deeds might outweigh his good deeds, leading him to be among the ruined.