Hello there rosindabow,
Thanks for participating in the Apple Support Communities.
As you're seeing this occur with the Facebook app only, let's check to make sure your iPhone and apps are up-to-date. If there is an update available for your iPhone, be sure to complete a backup of your information first. Check out the steps below for assistance with updating your iPhone and more information can be found here: Update iOS on iPhone
Update iPhone manually
At any time, you can check for and install software updates.
Go to Settings > General > Software Update.
The screen shows the currently installed version of iOS and whether an update is available.
To turn off automatic updates, go to Settings > General > Software Update > Automatic Updates.
For help with updating apps on your iPhone, see the following steps instead which can also be found here: How to manually update apps on your Apple device
How to manually update apps on your iPhone or iPad
1. Open the App Store.
2. Tap your profile icon at the top of the screen.
3. Scroll to see pending updates and release notes. Tap Update next to an app to update only that app, or tap Update All.
If you see that this is still occurring, it may be best to reach out to Facebook Support for assistance as this is isolated to the specific app: Facebook Help Center
Take care.
