The bedframe is sturdy but it’s the wrong size. The top is 78in x 56in. The dimensions of a full size mattress are 75in x 53in.  I would rather spend the next two hours trying to disassemble it and return it then spend the next decade smashing my kneecaps on the corner every time I have to walk around it.

The attached photo shows the bunkie board from the old frame laying on top of the new bed frame.  The bunkie board should nest just inside of the frame.