NoAdapterInstalledServerIslands: Cannot use server islands without an adapter. Please install and configure the appropriate server adapter for your final deployment.
To use server islands, the same constraints exist as for sever-side rendering, so an adapter is needed.
See Also:
Error Reference
© 2021 Fred K. Schott
Licensed under the MIT License.
https://docs.astro.build/en/reference/errors/no-adapter-installed-server-islands/