Fatal error
: Uncaught Error: Undefined constant "PKP\db\PKP_STRICT_MODE" in C:\xampp\htdocs\ojs\lib\pkp\classes\db\DBResultRange.php:115 Stack trace: #0 {main} thrown in
C:\xampp\htdocs\ojs\lib\pkp\classes\db\DBResultRange.php
on line
115