Fatal error: Uncaught TypeError: substr(): Argument #1 ($string) must be of type string, array given in /homepages/25/d11333464/htdocs/freek-heaters/include/helper.php:272
Stack trace:
#0 /homepages/25/d11333464/htdocs/freek-heaters/include/helper.php(272): substr(Array, 2)
#1 /homepages/25/d11333464/htdocs/freek-heaters/include/helper.php(301): getPreferredLanguage()
#2 /homepages/25/d11333464/htdocs/freek-heaters/company/terms-of-trade.php(3): include('/homepages/25/d...')
#3 {main}
thrown in /homepages/25/d11333464/htdocs/freek-heaters/include/helper.php on line 272