Fatal error: Uncaught Error: Interface 'PHPExcel_RichText_ITextElement' not found in /home/pymtafa/public_html/includes/PHPExcel-1.8/Classes/PHPExcel/RichText/TextElement.php:26 Stack trace: #0 {main} thrown in /home/pymtafa/public_html/includes/PHPExcel-1.8/Classes/PHPExcel/RichText/TextElement.php on line 26