Deprecated: Return type of PhpOffice\PhpSpreadsheet\Worksheet\Iterator::current() should either be compatible with Iterator::current(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /export/vol2/httpd/htdocs/administration/facilities/webapps/fluidsecure-billing/PHPSpreadsheet/Worksheet/Iterator.php on line 53

Deprecated: Return type of PhpOffice\PhpSpreadsheet\Worksheet\Iterator::key() should either be compatible with Iterator::key(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /export/vol2/httpd/htdocs/administration/facilities/webapps/fluidsecure-billing/PHPSpreadsheet/Worksheet/Iterator.php on line 63

Deprecated: Return type of PhpOffice\PhpSpreadsheet\Worksheet\Iterator::valid() should either be compatible with Iterator::valid(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /export/vol2/httpd/htdocs/administration/facilities/webapps/fluidsecure-billing/PHPSpreadsheet/Worksheet/Iterator.php on line 81