Subpath './server.edge' is not defined by "exports".... this causes internal server error

[SamO]

The error message indicates that the package subpath ‘./server.edge’ is not defined in your ‘react-dom’ package.json file.

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Server.edge not defined Error on nextJS SSR functions cause site to return 500 Errors

ERROR Error [ERR_PACKAGE_PATH_NOT_EXPORTED]: Package subpath ‘./server.edge’ is not defined by “exports” in /var/task/node_modules/react-dom/package.json Deploy succesfull for site - creative-biscuit-58753c.netlify.app But nextJS SSR function returns the error above. Tried upgrading and downgrading next version, no use. Worked just fine on my last release a few weeks ago. Any Ideas? Thanks!