Is the testimony given by the twelve witnesses to preserve my right a false testimony, and what am I accountable for in it, and how can I repent from it?

Issues of dispute and contention are to be presented before the Sharia judiciary or directly addressed with scholars. The testimony of witnesses regarding your ownership and possession of the land for a period longer than the actual duration appears to be false testimony, due to its contradiction with reality and the witnesses' lack of knowledge regarding what they testified to. Therefore, seeking forgiveness and repenting from this is obligatory.