when i ussing xlsx i get this
Notice: Trying to access array offset on value of type null in C:\xampp\htdocs\kinderboek\administrator\components\com_csvi\assets\spreadsheet_reader\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Reader\Xlsx\Styles.php on line 133
Notice: Trying to access array offset on value of type null in C:\xampp\htdocs\kinderboek\administrator\components\com_csvi\assets\spreadsheet_reader\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Reader\Xlsx\Styles.php on line 134
Notice: Trying to access array offset on value of type null in C:\xampp\htdocs\kinderboek\administrator\components\com_csvi\assets\spreadsheet_reader\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Reader\Xlsx\Styles.php on line 137
Notice: Trying to access array offset on value of type null in C:\xampp\htdocs\kinderboek\administrator\components\com_csvi\assets\spreadsheet_reader\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Reader\Xlsx\Styles.php on line 138
Notice: Trying to access array offset on value of type null in C:\xampp\htdocs\kinderboek\administrator\components\com_csvi\assets\spreadsheet_reader\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Reader\Xlsx\Styles.php on line 144
Notice: Trying to access array offset on value of type null in C:\xampp\htdocs\kinderboek\administrator\components\com_csvi\assets\spreadsheet_reader\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Reader\Xlsx\Styles.php on line 145
Notice: Trying to access array offset on value of type null in C:\xampp\htdocs\kinderboek\administrator\components\com_csvi\assets\spreadsheet_reader\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Reader\Xlsx\Styles.php on line 146
Notice: Trying to access array offset on value of type null in C:\xampp\htdocs\kinderboek\administrator\components\com_csvi\assets\spreadsheet_reader\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Reader\Xlsx\Styles.php on line 147
Notice: Trying to access array offset on value of type int in C:\xampp\htdocs\kinderboek\administrator\components\com_csvi\assets\spreadsheet_reader\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Cell\DefaultValueBinder.php on line 58
Notice: Trying to access array offset on value of type int in C:\xampp\htdocs\kinderboek\administrator\components\com_csvi\assets\spreadsheet_reader\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Cell\DefaultValueBinder.php on line 58
Notice: Trying to access array offset on value of type int in C:\xampp\htdocs\kinderboek\administrator\components\com_csvi\assets\spreadsheet_reader\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Cell\DefaultValueBinder.php on line 58
Notice: Trying to access array offset on value of type int in C:\xampp\htdocs\kinderboek\administrator\components\com_csvi\assets\spreadsheet_reader\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Cell\DefaultValueBinder.php on line 58
Notice: Trying to access array offset on value of type int in C:\xampp\htdocs\kinderboek\administrator\components\com_csvi\assets\spreadsheet_reader\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Cell\DefaultValueBinder.php on line 58
Notice: Trying to access array offset on value of type int in C:\xampp\htdocs\kinderboek\administrator\components\com_csvi\assets\spreadsheet_reader\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Cell\DefaultValueBinder.php on line 58
Notice: Trying to access array offset on value of type int in C:\xampp\htdocs\kinderboek\administrator\components\com_csvi\assets\spreadsheet_reader\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Cell\DefaultValueBinder.php on line 58
Notice: Trying to access array offset on value of type int in C:\xampp\htdocs\kinderboek\administrator\components\com_csvi\assets\spreadsheet_reader\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Cell\DefaultValueBinder.php on line 58
Notice: Trying to access array offset on value of type int in C:\xampp\htdocs\kinderboek\administrator\components\com_csvi\assets\spreadsheet_reader\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Cell\DefaultValueBinder.php on line 58
Notice: Trying to access array offset on value of type int in C:\xampp\htdocs\kinderboek\administrator\components\com_csvi\assets\spreadsheet_reader\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Cell\DefaultValueBinder.php on line 58
Notice: Trying to access array offset on value of type int in C:\xampp\htdocs\kinderboek\administrator\components\com_csvi\assets\spreadsheet_reader\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Cell\DefaultValueBinder.php on line 58
Notice: Trying to access array offset on value of type int in C:\xampp\htdocs\kinderboek\administrator\components\com_csvi\assets\spreadsheet_reader\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Cell\DefaultValueBinder.php on line 58
Notice: Trying to access array offset on value of type int in C:\xampp\htdocs\kinderboek\administrator\components\com_csvi\assets\spreadsheet_reader\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Cell\DefaultValueBinder.php on line 58
Notice: Trying to access array offset on value of type int in C:\xampp\htdocs\kinderboek\administrator\components\com_csvi\assets\spreadsheet_reader\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Cell\DefaultValueBinder.php on line 58
Notice: Trying to access array offset on value of type int in C:\xampp\htdocs\kinderboek\administrator\components\com_csvi\assets\spreadsheet_reader\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Cell\DefaultValueBinder.php on line 58
Notice: Trying to access array offset on value of type int in C:\xampp\htdocs\kinderboek\administrator\components\com_csvi\assets\spreadsheet_reader\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Cell\DefaultValueBinder.php on line 58
Notice: Trying to access array offset on value of type int in C:\xampp\htdocs\kinderboek\administrator\components\com_csvi\assets\spreadsheet_reader\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Cell\DefaultValueBinder.php on line 58
Notice: Trying to access array offset on value of type int in C:\xampp\htdocs\kinderboek\administrator\components\com_csvi\assets\spreadsheet_reader\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Cell\DefaultValueBinder.php on line 58
Notice: Trying to access array offset on value of type int in C:\xampp\htdocs\kinderboek\administrator\components\com_csvi\assets\spreadsheet_reader\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Cell\DefaultValueBinder.php on line 58
Notice: Trying to access array offset on value of type int in C:\xampp\htdocs\kinderboek\administrator\components\com_csvi\assets\spreadsheet_reader\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Cell\DefaultValueBinder.php on line 58
Notice: Trying to access array offset on value of type int in C:\xampp\htdocs\kinderboek\administrator\components\com_csvi\assets\spreadsheet_reader\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Cell\DefaultValueBinder.php on line 58
Notice: Trying to access array offset on value of type int in C:\xampp\htdocs\kinderboek\administrator\components\com_csvi\assets\spreadsheet_reader\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Cell\DefaultValueBinder.php on line 58
Notice: Trying to access array offset on value of type int in C:\xampp\htdocs\kinderboek\administrator\components\com_csvi\assets\spreadsheet_reader\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Cell\DefaultValueBinder.php on line 58
Notice: Trying to access array offset on value of type int in C:\xampp\htdocs\kinderboek\administrator\components\com_csvi\assets\spreadsheet_reader\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Cell\DefaultValueBinder.php on line 58
Notice: Trying to access array offset on value of type int in C:\xampp\htdocs\kinderboek\administrator\components\com_csvi\assets\spreadsheet_reader\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Cell\DefaultValueBinder.php on line 58
Notice: Trying to access array offset on value of type int in C:\xampp\htdocs\kinderboek\administrator\components\com_csvi\assets\spreadsheet_reader\vendor\phpoffice\phpspreadsheet\src\PhpSpreadsheet\Cell\DefaultValueBinder.php on line 58