Deprecated: PHPExcel_Writer_Excel2007_Rels::writeRelationships(): Implicitly marking parameter $pPHPExcel as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html/dev/sophia_frm_ext_lib/extensions/phpexcel/Classes/PHPExcel/Writer/Excel2007/Rels.php on line 45

Deprecated: PHPExcel_Writer_Excel2007_Rels::writeWorkbookRelationships(): Implicitly marking parameter $pPHPExcel as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html/dev/sophia_frm_ext_lib/extensions/phpexcel/Classes/PHPExcel/Writer/Excel2007/Rels.php on line 111

Deprecated: PHPExcel_Writer_Excel2007_Rels::writeWorksheetRelationships(): Implicitly marking parameter $pWorksheet as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html/dev/sophia_frm_ext_lib/extensions/phpexcel/Classes/PHPExcel/Writer/Excel2007/Rels.php on line 182

Deprecated: PHPExcel_Writer_Excel2007_Rels::writeDrawingRelationships(): Implicitly marking parameter $pWorksheet as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html/dev/sophia_frm_ext_lib/extensions/phpexcel/Classes/PHPExcel/Writer/Excel2007/Rels.php on line 291

Deprecated: PHPExcel_Writer_Excel2007_Rels::writeHeaderFooterDrawingRelationships(): Implicitly marking parameter $pWorksheet as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html/dev/sophia_frm_ext_lib/extensions/phpexcel/Classes/PHPExcel/Writer/Excel2007/Rels.php on line 355

Deprecated: PHPExcel_Writer_Excel2007_Rels::_writeRelationship(): Implicitly marking parameter $objWriter as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html/dev/sophia_frm_ext_lib/extensions/phpexcel/Classes/PHPExcel/Writer/Excel2007/Rels.php on line 399

Fatal error: Uncaught Error: Class "PHPExcel_Writer_Excel2007_WriterPart" not found in /var/www/html/dev/sophia_frm_ext_lib/extensions/phpexcel/Classes/PHPExcel/Writer/Excel2007/Rels.php:36 Stack trace: #0 {main} thrown in /var/www/html/dev/sophia_frm_ext_lib/extensions/phpexcel/Classes/PHPExcel/Writer/Excel2007/Rels.php on line 36