It was narrated that Anas bin Malik said:
"The Messenger of Allah (ﷺ) said: 'Whoever tells lies about me', I (the narrator) think that he also said 'deliberately', let him take his place in Hell.'" (PT)
English reference (PT): Vol. 1, Book 1, Hadith 32 (PT)
Arabic reference (PT): Book 1, Hadith 33 (PT)