Convert-to-XLSX-2021-09-25-06-54-58

[nhatsinh238_at_gmail.com]

SessionId->83e90a24-3c6d-4a1e-a551-4fd8e80fc9d5->Convert to XLSX->Object reference not set to an instance of an object.

[atir.tahir]

Could you please share a problematic file?