sonkwl
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sonkwl
## My code. ```php $write=IOFactory::createWriter($spreadsheet,"Xlsx"); $write->save("php://output"); ``` ## Specific errors are reported as follows ```php Fatal error: Uncaught TypeError: ZipStream\ZipStream::__construct(): Argument #1 ($operationMode) must be of type ZipStream\OperationMode, null given,...