This is a reference entry from React error codes. A full explanation with fixes has not been written yet.
Functions are not valid as a child of Client Components. This may happen if you return %s instead of <%s /> from render. Or maybe you meant to call this function rather than return it.%s
%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 2026-09-25T01:43:12.929Z.