What potential issue is the user facing when trying to connect to the MySQL database?

The potential issue the user is facing when trying to connect to the MySQL database could be incorrect credentials being used in the connection string. To solve this issue, the user should double-check the username, password, host, and database name being used in the connection. 

<?php
$servername = "localhost";
$username = "your_username";
$password = "your_password";
$database = "your_database";

// Create connection
$conn = new mysqli($servername, $username, $password, $database);

// Check connection
if ($conn->connect_error) {
    die("Connection failed: " . $conn->connect_error);
}
echo "Connected successfully";
?>

Keywords

MySQL database connection PHP error message authentication_failed

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