For y-axis moment design, the section modulus S was mistakenly divided by the number of plies. As this value is used to compute the bending moment resistance Mry using O86 5.5.4.1 and 6.5.6.5.1, so the design resistance was lower than it should be by a factor equalling the number of plies.
This problem occurred for beams, laterally loaded columns and for combined axial and bending design of columns, and has been corrected. .