Tiktok application is an error that occurs as a result of very active users instantly uploading too many videos. To resolve this error:
1. Check if the tiktok app on your phone is up to date.
2. Delete unnecessary apps on your phone, make sure there is enough phone memory
3. Restart your phone
4. Make sure your phone is virus free. Viruses can stop TikTok app
5. Click on the "Force stop" tab in the general settings tab
6.Clear the cache