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

Question

I am getting this error:

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

Answer 1

In my case, one of the exported child module was not returning a proper react component.

const Component = 
 Content 
;

instead of

const Component = () => 
Content
;

The error shown was for the parent, hence couldn't figure out.