A Liferay Workspace is a generated environment that is built to hold and manage your Liferay projects. Please see the official documentation for further instructions on Creating a Liferay Workspace.
Resolution
You can develop against a specific Liferay Product Version in your workspace by setting the liferay.workspace.target.platform.version, liferay.workspace.docker.image.liferay, and liferay.workspace.bundle.url in your gradle.properties.