Fatal error: Uncaught Error: Class "Matrix\Exception" not found in /home/simpletemp/public_html/cmm-ghg/calculator/vendor/markbaker/matrix/classes/src/Div0Exception.php:11 Stack trace: #0 {main} thrown in /home/simpletemp/public_html/cmm-ghg/calculator/vendor/markbaker/matrix/classes/src/Div0Exception.php on line 11