incompetence
noun [ U ]
uk/ɪnˈkɒmpɪtəns/ uslack of the ability, skill, or knowledge that is needed to do a job or perform an action correctly or to a satisfactory standard:
to demonstrate/expose/reveal incompetence
gross/sheer/utter incompetence An audit reveals areas of gross incompetence and the mismanagement of the business.
administrative/bureaucratic/managerial incompetence