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How to Fix “An unexpected error occurred” on Facebook

Are you getting the login error, “An unexpected error occurred” on Facebook?

Here’s the second part of the error, “Please try logging in again”.

If so, you won’t be able to log in to the Facebook app.

The error can happen for both Android and iOS devices.

In this guide, you’ll learn how to fix the login error, “An unexpected error occurred. Please try logging in again” on Facebook for Android/iOS.

Why did an unexpected error occur on Facebook?

Login Error An unexpected error occured Facebook

An unexpected error occurred on Facebook because of a bug/glitch or you made too many login attempts.

It can also happen because there is a Facebook outage (the servers are down).

You can check if the app is down by searching for “Facebook” in DownDetector or using Twitter.

If there’s a spike in the number of reports, it means that Facebook is most likely down.

If Facebook is down, you need to wait for the servers to be back up.

Some updates contain bugs and glitches that Facebook needs to fix in the next update.

How to fix “An unexpected error occurred” on Facebook

To fix “An unexpected error occurred” on Facebook, you can try clearing the app’s cache, creating a new account using the same login details, or installing an older version of Facebook.

You can also try updating Facebook to the latest version or uninstalling and reinstalling it.

If all else fails, it means that the servers are down and you need to wait for 24 to 48 hours.

You can check if Facebook is down on DownDetector.com and the latest tweets on Twitter.

Do not reset your phone settings because they will not work.

Fix 1: Clear Facebook’s cache

Clear Facebook Cache

To clear cache on an Android device, open the Settings app >  Apps > Facebook > Storage > Clear Cache > Clear Data > re-open Facebook.

To clear cache on an iOS device, open the Settings app > General > iPhone Storage > TikTok > Offload App.

By doing so, certain issues on the app will be fixed like loading or logging in.

You can also uninstall and reinstall Facebook to clear its cache.

In addition, the app will be updated to the latest version.

Fix 2: Create a new account using your existing login details

  1. Open the Facebook app and create a new account.
  2. Enter your existing email and password.
  3. Enter the same name, same birthdate, and create the account.
  4. Your existing Facebook account will now open.

Creating a new account using your existing login details is a fix mentioned by a Redditor.

Many users claimed that they managed to fix the login issue, “An unexpected error occurred” by doing this:

“It worked, I’ve been locked out for almost 2 years”.

“This actually worked for me thank you so much!”.

“After almost a year, I got mine back”.

Fix 3: Install an older version of Facebook

  1. Go to https://facebook.en.uptodown.com/android.
  2. Install an older version of Facebook.
  3. Log in to your Facebook account.

Unfortunately, this only works for Android devices.

If you’re using an iPhone, try using the other methods instead.

Fix 4: Update Facebook to the latest version

Updating Facebook is a recommended troubleshooting method by Facebook themselves (via the Help Center).

If you’re having trouble with downloading the app, try switching your network.

That said, some updates contain bugs and glitches.

Facebook will address them in a follow-up update.

If you’ve already updated Facebook to the latest version, you need to wait for a new one.

Fix 5: Wait for 24 to 48 hours

If all else fails, it probably means that Facebook is down for everyone.

If that’s the case, you need to wait for 24 to 48 hours for the servers to be back up.

In some cases, you just need to wait for a few hours and the “An unexpected error occurred” will fix itself.

Facebook outages happened multiple times in the past few years.

Hence, it’s not uncommon that the app is down right now.

Further reading

How to Fix Can’t Log Out of Facebook

How to Fix “The action attempted has been deemed abusive” on Facebook

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About the author

Lim How Wei

Lim How Wei is the founder of followchain.org, with 8+ years of experience in Social Media Marketing and 4+ years of experience as an active investor in stocks and cryptocurrencies. He has researched, tested, and written hundreds of articles ranging from social media platforms to messaging apps.

Lim has been quoted and referenced by major publications and media companies like WikiHow, Fast Company, HuffPost, Vice, New York Post, The Conversation, and many others. One of his articles about the gig economy was quoted by Joe Rogan who hosts The Joe Rogan Experience (arguably the most popular podcast in the world), in the This Past Weekend podcast by Theo Von.

In his free time, Lim plays multiple games like Tower of Fantasy, League of Legends, Counter-Strike, Hearthstone, RuneScape, and many others. He creates guides, walkthroughs, solutions, and more on games that he plays to help other players with their progression.