0 Object reference not set to an instance of an object 1 Biserica Sfanta Treime posted 8 Years Ago I am new in ROCK. I was editing a page. But i made a mistake. initialy i wonted to add a Subnav on the left of the page. I edited the block and added something wrong. like in the image bellow There is any possibility to undo this. I have tried to delete the Sidebar1...but i can not acces the page. This is the page http://rock.sfantatreimebacau.ro/page/212 THANK YOU