Abhabbāgamana (Pali: 'incapable of progressing'). Those beings who are obstructed by their evil actions. See: kamma, by their defilements kilesa, by the result of their evil actions see: vipāka, or who are devoid of faith, energy and understanding, and unable to enter the right path and reach perfection in advantageous things, all those are said to be incapable of progressing Pug. 13. According to Commentary the 'evil actions' denote the 5 heinous actions with immediate result ānantarika-kamma , whilst the 'defilements' refer to the 'evil views with fixed destiny.'
Maha Thera Nyanatiloka. Manual of Buddhist Terms and Doctrines, Buddhist Publication Society, first edition 1952.