Issue
Unable to connect controls inside of a Repeating Section to columns on the list.
Resolution
Individual controls within a repeating control cannot be connected to list columns.
The Repeating Section control can be connected to a multi-line, plain text list column. When saving the form, all data from the controls within the repeating control are written in .xml format to the multi-line, plain text field.
The Repeating Section control can be connected to a multi-line, plain text list column. When saving the form, all data from the controls within the repeating control are written in .xml format to the multi-line, plain text field.