What are the common reasons for a "Fatal error: Uncaught OAuthException" in PHP applications using Facebook API?

The "Fatal error: Uncaught OAuthException" in PHP applications using Facebook API typically occurs when there is an issue with the OAuth authentication process, such as invalid credentials or expired tokens. To solve this issue, you need to ensure that the correct credentials are being used and that the access tokens are up-to-date. 

try {
    // Your Facebook API code here
} catch (FacebookApiException $e) {
    error_log($e);
    $user = null;
    $access_token = null;
}

Keywords

Fatal error Uncaught OAuthException PHP Facebook API

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