Why error: Operation failed due to an unknown error?

[Jyoti_Sinha]

In a specific scenario, customer was getting below error when sending quote to Zuora:

Please check below the reason and solution for same in below section.

[Jyoti_Sinha · Accepted solution]

In a specific scenario, the Opportunity Name contained image, hence the quote was throwing error during the Send to Zuora process.

"Web Order 🇩🇪 2018-12-04 09:27:23 xxxx"

Once the image was removed from Opportunity name, the quote was successfully send to Zuora.