Localhost:3000 says: Failed to run middleware with uploadthing

import { clerkMiddleware } from '@clerk/nextjs/server';
import { NextResponse } from 'next/server';

export default clerkMiddleware(
    (auth, req) => {
        try {
            if (!req.nextUrl) {
                throw new Error('req.nextUrl is undefined');
            }
            const url = req.nextUrl;
            const searchParams = url.searchParams.toString();

            if (!req.headers || !req.headers.get) {
                throw new Error('req.headers is undefined or does not have get method');
            }
            const hostname = req.headers.get('host');
            if (!hostname) {
                throw new Error('Hostname is not present in req.headers');
            }
            const pathWithSearchParams = `${url.pathname}${searchParams.length > 0 ? `?${searchParams}` : ''}`;

            const customSubDomain = hostname.split(`${process.env.NEXT_PUBLIC_DOMAIN}`).filter(Boolean)[0];

            if (customSubDomain) {
                return NextResponse.rewrite(new URL(`/${customSubDomain}${pathWithSearchParams}`, req.url));
            }

           //I have more logic here, but maxed out the character count

        } catch (error) {
            console.error('Error:', error.message);
            return NextResponse.error();
        }
    }
);

export const config = {
    matcher: ['/((?!.+\\.[\\w]+$|_next).*)', '/', '/(api|trpc)(.*)'],
};