TikTok says sorry after many people in the US have problems.
This happens in the US. People report problems with TikTok on a certain day.
People cannot use TikTok well. Many are upset and cannot make videos. It is important because many use TikTok every day.
When TikTok does not work, people get annoyed. They want to use the app for videos and fun.
In the end, TikTok says they will fix it. They hope people use it again soon.