Change settings on iPhone 8 to access sensitive content

See if you can turn it off by following these steps

ow to turn on Sensitive Content Warning on iPhone or iPad

1. In Settings, tap Privacy & Security.
2. Scroll down and tap Sensitive Content Warning.
3. Turn on Sensitive Content Warning.
4. All supported apps and services are turned on automatically. If you choose, you can turn access off for some apps and services.

What do you mean by sensitive content? Are you a minor who is monitored by your parents using Parental Controls?