# Pastebin gQioaUsS
Cannot use Element [1] without 1 type argument.

     root/components/SubHeader.js
      10│ import React from 'react';
      11│ import type {Element as ReactElement} from 'react';
      12│
      13│ const SubHeader = ({subHeading}: {subHeading: string | ReactElement}) => (
      14│   <p className="subheader">
      15│     <span className="prefix">{'~'}</span>{' '}{subHeading}
      16│   </p>

     /tmp/flow/flowlib_1225bbc6/react.js
 [1] 243│   declare export type Element<+C> = React$Element<C>;