Country singer Morgan Wallen walked off the set of “Saturday Night Live” before the end credits rolled, sparking speculation and jokes from the show's cast and writers. The incident was referenced in sketches throughout the episode, with references to Wallen's swift exit and merchandise now available on his website. "SNL" cast member Kenan Thompson expressed confusion over Wallen's actions, calling it a departure from the norm. Wallen has not publicly commented on the incident.
Source: https://www.huffpost.com/entry/saturday-night-live-morgan-wallen_n_67f3e6f5e4b0d28cb3c87e1d