Fatal error: Uncaught Error: Call to undefined function split() in /home/www/pivot/pvlib.php:4673 Stack trace: #0 /home/www/pivot/pv_core.php(56): check_version('7.1.26', '4.1.0') #1 /home/www/wir.php(10): include_once('/home/www/pivot...') #2 {main} thrown in /home/www/pivot/pvlib.php on line 4673