Hi @Nadia Sultana​ ,

Good Day!

Please refer the below KB article for the reported error and follow the steps:

https://apeople.automationanywhere.com/s/article/Error-message-An-unknown-error-occurred-when-executing-the-OpenExceI-command/p>

If you are still facing an issue then please create a support case

How to create a support case :

https://apeople.automationanywhere.com/s/article/How-to-create-a-support-case-in-service-cloud/p>

if you don't have access to the above link, email the AA Support team "apeopleopsteam@automationanywhere.com" to get the access.

Thank you