What common error message is associated with the use of a PHP constructor in this forum thread?

The common error message associated with the use of a PHP constructor in this forum thread is "Fatal error: Call to undefined method." This error occurs when trying to call a method that does not exist within the class. To solve this issue, ensure that the constructor method is named correctly as "__construct" in PHP. This special method serves as the constructor for a class and is automatically called when an object of the class is created.

class MyClass {
    public function __construct() {
        // Constructor logic here
    }
}