Abu Bakr bin Abi Shayba أبو بكر بن أبي شيبة · The Chapters on Expiation

'Whoever swears an oath and says In sha' Allah, he will have made an exception."(2)

"I said: 'O Messenger of Allah, my cousin comes to me and I swear that I will not give him anything or uphold the ties of kinship with him.' He said: 'Offer expiation for what you swore about.'"

"Whoever vows to obey Allah, let him obey Him, and whoever vows to disobey Allah, let him not disobey Him. "

her father met the Prophet (ﷺ) when she was riding behind him. He said: "I vowed to offer a sacrifice at Buwanah." The Messenger of Allah (ﷺ) said: "Is there any idol there?" He said: "No." He said: " Fulfill your vow." (Hasan)Another chain with similar wording.