i have a custom record with RMA, Bin, Quantity on it. I want to receive the RMA to a default status. does anybody have a basic script i can work with. i've tried a whole bunch of different approaches but i always end up with this error

You have attempted an invalid sublist or line item operation. You are either trying to access a field on a non-existent line or you are trying to add or remove lines from a static sublist.