Errata for the paper T.H. Koornwinder and F. Bouzeffour, Nonsymmetric Askey-Wilson polynomials as vector-valued polynomials, Appl. Anal. 90 (2011), 731-746 (already corrected in arXiv:1006.1140v3) last modified 30 March 2018 In formula (4.14) replace in the first term on the right the denominator factor (1-qz^2) by (q-z^2).