[SOLVED] Error XMLHttpRequest Error in Flutter web is a CORS error

Error: XMLHttpRequest error.

This error has nothing to do with flutter but your backend and browser
Let’s disable the browser security
open -a Google\ Chrome --args --disable-web-security --user-data-dir

[uvaismohammad]

It is showing that ''The term 'open' is not recognized as the name of a cmdlet, function, script file, or operable program.''
How to fix this?

[s]

if in localhost is ok, but upload to server it doesn't work
how to fix?

[adnanhaider]

this work only local host not production