I am using EPPlus to generate an XLSX file in C#. As soon as I instantiate the ExcelPackage with a memory stream - I get the error:
"A disk error occurred during a write operation. (Exception from HRESULT: 0x8003001D (STG_E_WRITEFAULT))"
Code is:
MemoryStream stream = new MemoryStream();
using (ExcelPackage package = new ExcelPackage(stream))
{
...
}
Has anyone else seen this?
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