原因：CORS 標頭“Origin”無法新增

Reason: CORS header 'Origin' cannot be added

The user agent was unable to add the required Origin header to the HTTP request. All CORS requests must have an Origin header.

This can happen if the JavaScript code is running with enhanced privileges allowing it access to multiple domains' content, for example.

• CORS 錯誤
• Glossary: CORS
• CORS introduction