When i add owners/members it dosent work?? please help

So im making plots in my server i made the entire place which is called allplot and it has build deny pasthrough allow pvp deny use deny interact deny and other-explosion deny and the plot which has build deny pvp deny invincible allow fall-damage deny use-anvil deny chest-access deny use deny interact deny and when i set the parents i did /addowner,/addmember (i tried both) plot1 (playername) for example Krasless aka my ign so can please someone help