Shiva Purana
अत ऊर्ध्वमतिक्रांते पुनः प्रैषं समाचरेत् । एवं कृत्वा दोषशांतिरन्यथा रौरवं व्रजेत् ४९ ।
If the omission extends beyond this, he shall take the order of Sanyāsa afresh. Then only can the defect be fully effaced. Otherwise he is sure to fall into Raurava, the terrible hell.
english translation
ata UrdhvamatikrAMte punaH praiSaM samAcaret । evaM kRtvA doSazAMtiranyathA rauravaM vrajet 49 ।
hk transliteration by Sanscript