Looker Studio error message

[gta-tcepe]

Looker Studio shows error on choromap visuals in reports: Manifest file of this layout not found.
Attached printscreen of the error in choromap example report.

[jmgold]

I'm encountering the same problem, as an additional item I checked the Manifest path provided in the documentation both both the choromap and choromap-lite versions and they both yielded this error.