Fatal error: Uncaught Error: Interface "PhpOffice\PhpSpreadsheet\RichText\ITextElement" not found in /home/simpletemp/public_html/cmm-ghg/calculator/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/RichText/TextElement.php:7 Stack trace: #0 {main} thrown in /home/simpletemp/public_html/cmm-ghg/calculator/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/RichText/TextElement.php on line 7