If a person leaves his prayer place after Fajr for a valid reason, does his reward decrease?

Question:
He says: If I sit in my prayer place after the Fajr prayer to remember Allah, and the officials come to remove the carpets from the first and second rows due to the crowd for tawaf, does my reward decrease if I move to the back?

Answer:
No, it does not decrease, if Allah wills, because this is a move for a valid reason, and your reward does not decrease, if Allah wills. Yes.