Fatal error: Uncaught TypeError: implode(): Argument #1 ($array) must be of type array, string given in /home/s/sokoliac/bitrix.usvitok.ru/public_html/become-a-dealer/send_message.php:21
Stack trace:
#0 /home/s/sokoliac/bitrix.usvitok.ru/public_html/become-a-dealer/send_message.php(21): implode(',', NULL)
#1 {main}
  thrown in /home/s/sokoliac/bitrix.usvitok.ru/public_html/become-a-dealer/send_message.php on line 21