Internal error after switching the viewport to max area.

[capnm]

System Information

• OS: Linux
• Blender version: 2.83.2, 2.9 alpha
• Add-on version: ed68c4b

Description about the bug
After switching the viewport to max area [Ctrl + Space]
the Blender terminal output is spammed (until you disable the plugin) with

internal error: modal gizmo-map handler has invalid area
internal error: modal gizmo-map handler has invalid area
internal error: modal gizmo-map handler has invalid area
internal error: modal gizmo-map handler has invalid area
internal error: modal gizmo-map handler has invalid area
internal error: modal gizmo-map handler has invalid area
internal error: modal gizmo-map handler has invalid area
internal error: modal gizmo-map handler has invalid area
internal error: modal gizmo-map handler has invalid area
internal error: modal gizmo-map handler has invalid area
internal error: modal gizmo-map handler has invalid area
internal error: modal gizmo-map handler has invalid area
internal error: modal gizmo-map handler has invalid area
internal error: modal gizmo-map handler has invalid area
internal error: modal gizmo-map handler has invalid area
internal error: modal gizmo-map handler has invalid area
internal error: modal gizmo-map handler has invalid area
internal error: modal gizmo-map handler has invalid area
internal error: modal gizmo-map handler has invalid area
internal error: modal gizmo-map handler has invalid area
internal error: modal gizmo-map handler has invalid area
internal error: modal gizmo-map handler has invalid area
internal error: modal gizmo-map handler has invalid area
internal error: modal gizmo-map handler has invalid area
internal error: modal gizmo-map handler has invalid area
internal error: modal gizmo-map handler has invalid area
...

Doesn't happen if the add-on is off.

Screenshots/Files [Optional]

[capnm]

This seems to be a Blender bug, see
https://developer.blender.org/T66256