If you are getting the following error when trying to add an event to your Google Calendar, you might have a "greedy" browser extension installed that overrides the URL to Google Calendar. The typical error Google Calendar is throwing is listed below: 400. That's an error.
The server cannot process the request because it is malformed. It should not be retried. That's all we know.We've gone back and forward with our customers reporting the "400" error and found that these Google Chrome extensions are causing the error:DuckDuckGoBitdefender Anti-trackerWe recommend that you (until they've fixed the issue) disable the extension if you want to ...