The app had more than 170 million monthly users in the U.S. The black-out is the result of a law forcing the service offline unless it sheds its ties to ByteDance, its China-based parent company.

The Supreme Court has upheld a federal ban of TikTok, and users are scrambling. The ban, which is expected to take effect on January 19, is a looming crisis for the countless small businesses and creators who’ve built their livelihoods on the platform.

Washington — The Supreme Court on Friday upheld a new law that would lead to a ban of the social media platform TikTok, clearing the way for the widely popular app to shutter in the U.S. as soon as Sunday.