Extend/shift rectangles on SupDem indi

Hi guys, I am trying to have this indi at my platform but it comes with all this errors:



I would greatly thank you for a tip... the semicolon I got sorted, the rest of it I don´t have a clue, I downloaded the last file posted with fixing but for me it´s not yet running. thanks.

Hi Fox,



and other support and resistance indi:



God bless everyone!

Any coder who can edit this SupDem indicator to draw the box from previous day close instead of current day open