Today, I encountered the following error message while developing React:
Error: Invalid hook call. Hooks can only be called inside of the body of a function component. This could happen for one of the following reasons:
- You might have mismatching versions of React and the renderer (such as React DOM)
- You might be breaking the Rules of Hooks
- You might have more than one copy of React in the same app See fb. Me /react-inval… for tips about how to debug and fix this problem.
This error output has alerted me to the error code in my application myapp.jsx:
The const initializer was written outside of function:
The error disappears after moving it inside:
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