Is the phrase "May Allah be upon you, do not do such-and-such" considered one of the words of an oath?

Question:
Honorable Shaykh, may Allah grant you success, if a person says to another, "May Allah be upon you, do not do such-and-such," or "do not hold a dinner feast for me," and the person does it and holds the dinner feast, is this an oath?

Answer:
If the intention is an oath, then it is an oath, but it is not a formula of an oath; it does not contain the words of swearing. Rather, his intention is that he should refrain from the sacrifice or from something that burdens him. It is in the nature of an oath, but it does not contain the words of swearing, so there is no expiation for it. Yes.