fix(remix-server-runtime): update error message when route doesn't have exports (#2779)

Author: jacob-ebey

packages/remix-server-runtime/data.ts

@@ -72,8 +72,8 @@ export async function callRouteLoader({
   if (!loader) {
     throw new Error(
       `You made a ${request.method} request to ${request.url} but did not provide ` +
-        `a \`loader\` for route "${match.route.id}", so there is no way to handle the ` +
-        `request.`
+        `a default component or \`loader\` for route "${match.route.id}", ` +
+        `so there is no way to handle the request.`
     );
   }