How to rectify the error? “No element can be designed. Make sure that Element, Section and Material types are Beam, Composite steel-I, and SRC respectively. In addition, check whether Rebar Data is defined.”

1. Select 'AASHTO-LRFD 12' for the design code.


2. Define load combination for composite steel girder design.


3. Assign material for the deck slab and the rebars.


4. Select elements to be designed.


After the input above, the design is completed.