5.1.2.1: The feeling of being deficient in one's duty may also be generated by management or leaders continuously showing their disappointment.

Look at solution 1A: Building or restoring organisational hygiene, especially the chapter on support. Read management&leadership 3: a consulting style of leadership.

If no such external provocation of depression exists, maybe the organisation suffers from secondary traumatisation. Look at dynamic 2: traumatised organisations.