Skandapurana 1.3.33.6

1.3.33.6

yāvacchaṃbhurdūrato nābhigacchettāvadgatvā śaṃkaraṃ kṣāmayasva..
no cetanvi kṣāmayethāḥ śivaṃ tvaṃ duḥkhaṃ paścātte bhaviṣyatyavaśyam.. 35.6 ..

Before Śambhu goes far away, go and seek Śaṃkara's forgiveness. / Otherwise, O slender lady, if you do not pacify Śiva, sorrow will surely come upon you later.