Jami` at-Tirmidhi 2633
جامع الترمذي#2633Da'ifNarrated Zaid bin Arqam:that the Messenger of Allah (ﷺ) said: "Whenever a man makes a promise and he intends to fulfill it, but he does not fulfill it, then there is no burden upon him
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirDaif
Al-AlbaniDaif
Zubair Ali ZaiDaif
In-book reference: 40:28