A man performed the witr prayer during the tarawih, then performed the witr with the imam in the night prayer!

Question:
Peace be upon you.

Answer:
Peace be upon you. May Allah do you good, Shaykh 'Abd al-'Aziz. May Allah preserve you, O Shaykh. In Ramadan, O Shaykh. One of the brothers asked me this question, saying: I prayed with the imam of the tarawih, and the imam performed the witr. Then, at the end of the night, he says: I performed the witr with him. And at the end of the night, I prayed with another group, and when the imam came to perform the witr, I performed it with three rak'ahs in one taslim. Is that with you, O Shaykh? How are you? Fine? No, but without sitting. However, he says: If I stand up, I complete the fourth. I prayed four. Yes, indeed. So what is it, and what does one do in this case? Thank you. What does he do? It is bad. Look, the fourth comes as a fourth; it is not at all like the prayer, for example? This is this is part of the positions. Part of. Why do I want the basis? I mean, if he is following, there is no harm.