This is a reference entry from React error codes. A full explanation with fixes has not been written yet.
Portals are not currently supported by the server renderer. Render them conditionally so that they only appear on the client render.
%s is filled in by React at runtime.
- Category
- Minified React error
- Severity
- error
- Runtime
- both
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Source: React error codes. Data fetched 2026-09-25T01:43:12.927Z.