fixed promise element is not a valid jsx element type

the error "fixed promise element is not a valid jsx element type" typically occurs in react when you try to render something that is not a valid react component or element. this often happens when dealing with asynchronous code, such as loading components or data via dynamic imports or promises.

understanding the issue

when you're working with react, you need to ensure that what you're trying to render is a valid react element. a valid react element can be a class component, a functional component, or a string representing a dom element (like `'div'`, `'span'`, etc.).

here’s a breakdown of common scenarios that can lead to this error:

1. **dynamic imports**: when using dynamic `import()` to load components, if you don't correctly resolve the import, you might end up trying to render a promise instead of the component.
2. **incorrect return types**: if a function or component doesn't return a valid react element, it can cause this error.
3. **misconfiguration in code splitting**: if you are trying to use code splitting but don't set it up correctly, you might try to render a promise instead of the component.

code example

let's look at an example of how this error can occur and how to fix it.

example of the error

imagine you have a component that dynamically imports another component:

in the code above, `lazycomponent` is a promise and not a valid jsx element, leading to the error.

fixing the error

here's the corrected version of the code:

explanation of the fix

2. **suspense**: this is a react component that allows you to "suspend" rendering while the lazy component is being loaded. you can provide a fallback ui (like a loading spinne ...

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