Revākhaṇḍa ascribed to the Vāyupurāṇa (RKV) 171.16

171.16

prāptaṃ duḥkhaṃ mayā ghoraṃ pūrvajanmārjitaṃ phalam /
mā viṣādaṃ kurudhvaṃ bhoḥ kṛtaṃ pāpaṃ tu bhujyate //

'Dreadful suffering has been experienced by me, the fruit earned in a former birth.
Do not despair, O sirs; the sin that was committed is merely being consumed.