message: chore: remove the usage of SFC
diff: * limitations under the License.
  */
  -import React, { ComponentClass, Component, SFC, ErrorInfo } from 'react';
  +import React, { ComponentClass, Component, ErrorInfo } from 'react';
  type Props = {
  slackChannel?: string;
  @@ -60,9 +60,10 @@ export const ErrorBoundary: ComponentClass<
  type EProps = {
  error?: Error;
  slackChannel?: string;
  + children?: React.ReactNode;
  };
  -const Error: SFC<EProps> = ({ slackChannel }) => {
  +const Error = ({ slackChannel }: EProps) => {
  return (
  <div>
  Something went wrong here.{' '}
  