ente/web/packages/shared/next/pages/_error.tsx

import * as Sentry from "@sentry/nextjs";
import NextErrorComponent from "next/error";

const CustomErrorComponent = (props) => (
    <NextErrorComponent statusCode={props.statusCode} />
);

CustomErrorComponent.getInitialProps = async (contextData) => {
    // In case this is running in a serverless function, await this in order to give Sentry
    // time to send the error before the lambda exits
    await Sentry.captureUnderscoreErrorException(contextData);

    // This will contain the status code of the response
    return NextErrorComponent.getInitialProps(contextData);
};

export default CustomErrorComponent;