44d1a1cb15
This PR is part of a larger effort to migrate error messages to MDX and use App Router: https://github.com/vercel/front/pull/23459
15 lines
463 B
Text
15 lines
463 B
Text
---
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title: No Router Instance
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---
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## Why This Error Occurred
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During Pre-rendering (SSR or SSG) you tried to access a router method `push`, `replace`, `back`, which is not supported.
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## Possible Ways to Fix It
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In a function Component you can move the code into the `useEffect` hook.
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In a class Component, move any calls to router methods to the `componentDidMount` lifecycle method.
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This way the calls to the router methods are only executed in the browser.
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