Language comes in a strange code

Whenever I have zoom meetings, the names of some of our audiences are 'broken'. Most of them come in Korean names, and I thought that it could be a language error, but there are others whose Korean names still show very well in the zoom meetings. I'm wondering what the issue is? This gets problematic because we take their attendance with the meeting report we get after the meeting, but with their names unknown there is no way to do so.

This issue has only happened after an update was done by Zoom recently.

Is there any way to fix this?

Thank you!