Bug: Class 'Locale' not found

[bi2b]

i got this error.

Error
Class 'Locale' not found search →

SYSTEMPATH/I18n/Time.php at line 80

73 * @param string|null $locale
74 *
75 * @throws Exception
76 */
77 public function __construct(string $time = null, $timezone = null, string $locale = null)
78 {
79 // If no locale was provided, grab it from Locale (set by IncomingRequest for web requests)
80 $this->locale = ! empty($locale) ? $locale : Locale::getDefault();
81
82 // If a test instance has been provided, use it instead.
83 if (is_null($time) && static::$testNow instanceof Time)
84 {
85 if (empty($timezone))
86 {
87 $timezone = static::$testNow->getTimezone();

[paulbalandan]

Enable the intl extension. Locale is a class from ext-intl.