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Fatal error: Uncaught TypeError: detectUserLanguage(): Return value must be of type string, null returned in /home/clients/ae4e01d85adb9d3cfbbca95c19f91bbe/sites/holidaysandorra/functions/locale.php:11 Stack trace: #0 /home/clients/ae4e01d85adb9d3cfbbca95c19f91bbe/sites/holidaysandorra/index.php(38): detectUserLanguage() #1 {main} thrown in /home/clients/ae4e01d85adb9d3cfbbca95c19f91bbe/sites/holidaysandorra/functions/locale.php on line 11