Unable to build in Unity 6

[pixelplacement]

Attempting to build in Unity 6 and I get a SyntaxError: Identifier 'plugin' has already been declared - is there a specific version of Unity 6 that is supported?

[ArmanAghighi]

use chat gpt to change some modification on .jslib files inside project

Attempting to build in Unity 6 and I get a SyntaxError: Identifier 'plugin' has already been declared - is there a specific version of Unity 6 that is supported?