FA Cup tie to be replayed after ref's error - will it set a precedent?

This season's FA Cup competition began on Friday, 7 August [Getty Images]An FA Cup tie between Mulbarton Wanderers and Woodford Town is making the headlines because of a refereeing error which has caused a replay.So what sets this apart from other matches impacted by an error from officials? And could we see it happen in leagues which have the video assistant referee (VAR)?For example, there were 25 VAR errors last season. This season an error has already been publicly acknowledged after Manches