Fatal error: Uncaught Error: Interface "PHPExcel_RichText_ITextElement" not found in C:\xampp\htdocs\crop_db\libs\phpoffice\PHPExcel\RichText\TextElement.php:34 Stack trace: #0 {main} thrown in C:\xampp\htdocs\crop_db\libs\phpoffice\PHPExcel\RichText\TextElement.php on line 34