Forum Post: applies to document no in sales credit memo is blank why

When i want to return invoiced sales order it is accept to return order and applied to doc no is blank and applies document type

is blank how i know which document sales invoice returned

and how to block invoiced sales order from returned where not have applies to document no in sales return order and after

posted sales invoice returned

if possible help me why applies to document no blank when return order and after post

and how to prevent or block invoiced sales order from returned more when applies to document no is blank in sales return order