This issue affects the printed version of Aster only.
There is a discrepancy at the shoulder seam between the yoke back (D) and bodice front (A) piece on certain sizes. It is most noticeable on sizes 14 and above. If necessary for your project, you can download a new tiled bodice front (A) pattern piece here.
If you’re not familiar with printing sewing patterns at home, you can find a detailed article on working with digital patterns here. Alternately, the wide format version is a great option if you have access to a wide format printer.