Uncaught Error: Invariant Violation: Element Type is Invalid: Expected a String (For Built-in Components) or a Class/function But Got: Object

Uncaught Error: Invariant Violation: Element type is invalid: expected a string (for built-in components) or a class/function but got: object

If you are a JavaScript developer, you might have come across the error message “Uncaught Error: Invariant Violation: Element type is invalid: expected a string (for built-in components) or a class/function but got: object” while working with React or other JavaScript libraries/frameworks. This error typically occurs when you are trying to render a component that is not a valid React element.

In this blog post, we will explore the possible causes of this error and provide solutions to fix it.

Possible Causes

There are a few common causes for this error:

1. Importing the component incorrectly
2. Exporting the component incorrectly
3. Using a non-existent component

Solutions

1. Importing the component incorrectly

If you are importing the component incorrectly, the error might occur. Make sure you are using the correct import statement for the component you want to render. Here’s an example:

import MyComponent from './MyComponent';

2. Exporting the component incorrectly

If you are exporting the component incorrectly, the error might occur. Make sure you are exporting the component as the default export. Here’s an example:

// MyComponent.js
import React from 'react';

const MyComponent = () => {
  return 
Hello, World!
;
};

export default MyComponent;

3. Using a non-existent component

If you are trying to render a component that does not exist, the error might occur. Double-check the component name and make sure it is spelled correctly. Here’s an example:

Conclusion

The “Uncaught Error: Invariant Violation: Element type is invalid: expected a string (for built-in components) or a class/function but got: object” error is a common error in JavaScript development, especially when working with React. By following the solutions provided in this blog post, you should be able to fix this error and continue building your JavaScript applications without any issues.

Remember to always double-check your import and export statements, as well as the component names, to ensure they are correct and valid.

Happy coding!