I have a question regarding an error that I keep getting in energypro 9

savecancel

In EP 9, I am running a title 24 performance calc and when I run it, I get the error as seen below:

Error: Construction assembly 'R-19 Wall6' may not be assigned to surfaces with more than one Status, i.e. New, Altered or Existing evaluating run u rule: Set CHECKCODE ConsAssm:Status (20:'ConstructAssembly.rule' line 3332)

I just need some help understanding what this means. Thank you guys for your time and energy