The type or namespace name 'OrganizationPanel' could not be found (are you missing a using directive

After updating to .12f1 i was greeted by this error message, i’ve trid going back to 10f1 with i updated from. Any idea what i should do(haven’t backed up in a while)

The error:

Library\PackageCache\com.unity.collab-proxy@1.17.2\Editor\PlasticSCM\Configuration\CloudEdition\Welcome\CloudEditionWelcomeWindow.cs(330,9): error CS0246: The type or namespace name 'OrganizationPanel' could not be found (are you missing a using directive or an assembly reference?)

Do you need collab-proxy? It’s probably just new project noise if you’re not using it.

Extra unwanted packages in new projects (collab, testing, rider and other junk):

About the fastest way I have found to make a project and avoid all this noise is to create the project, then as soon as you see the files appear, FORCE-STOP (hard-kill) Unity (with the Activity Manager or Task Manager), then go hand-edit the Packages/manifest.json file as outlined in the above post, then reopen Unity.

Sometimes the package system gets borked from all this unnecessary churn and requires the package cache to be cleared: