We've got an issue connected with Weglot, that happened 50 times for a month. The problem is

Cannot fetch Weglot options. Is your key correct?

We can't reproduce this issue and we don't have a feedback from our users. Also we can't find nformation about this issue. This issue hapenned ony in few landing pages and we don't get it from others. So I'm wondering why this happening and what should we do with it? Could someone help with this problem?