Rasarnavasudhakara 2.15

2.15

atha (2) viṣādaḥ-
prārabdha-kāryānirvāhād iṣṭānavāpter vipattitaḥ |
aparādha-parijñānād anutāpas tu yo bhavet ||

Now (2) despair:
The remorse that arises from the failure to accomplish an undertaken task, from non-attainment of the desired object, from calamity,