fix infinite loading icon when searching for an invalid player

src/app/(pages)/player/[[...id]]/page.tsx

@@ -69,7 +69,7 @@ export default async function Page({ params: { id } }: Params): Promise<ReactEle
         <h1 className="text-xl">Lookup a Player</h1>
         <p>You can enter a players uuid or username to get information about the player.</p>
 
-        <LookupPlayer currentPlayer={id[0]} />
+        <LookupPlayer currentPlayer={id && id[0]} />
       </div>
 
       {error && <ErrorCard message={error} />}