I’ve written about this before. However, if you follow me, here is one more reminder.

This morning, after our 2020.2 upgrade overnight, I began writing JavaScript code and hit my normal keystrokes [ctl] + [alt] + u to upload my JS file to the server. To my surprise, I found Netsuite-Sync broken. Since I’ve blogged about this in the past, the answer was right here in my own blog.

Here’s the fix: If you have a Release Preview account, when you are prompted to select a role, do NOT pick your production Netsuite Administrator role. Select another role with appropriate permissions to your file cabinet. That’s it. Simple as that!

https://followingnetsuite.com/2019/09/05/vscode-netsuite-sync-breaks-with-release-preview-2019-2/