Warning: Undefined variable $pdo in /volume1/web/srpski/index.php on line 38

Fatal error: Uncaught Error: Call to a member function query() on null in /volume1/web/srpski/config/functions.php:11
Stack trace:
#0 /volume1/web/srpski/config/functions.php(151): checkTables(NULL)
#1 /volume1/web/srpski/index.php(38): getWords(NULL)
#2 {main}
  thrown in /volume1/web/srpski/config/functions.php on line 11