What does the error message "Invalid character in header content ['Host']" mean in Postman?

edit

The error message "Invalid character in header content ['Host']" in Postman means that there is an invalid character in the "Host" header of the HTTP request. This error typically occurs when the header value contains unsupported characters such as whitespace or special characters. It is important to ensure that all header values in the request are formatted correctly to avoid this error.