fixed format error

internal/server/handler.go

@@ -42,14 +42,14 @@ func RegisterHomeEndpoint(mux *runtime.ServeMux) {
 	err := mux.HandlePath("GET", "/", func(w http.ResponseWriter, r *http.Request, pathParams map[string]string) {
 		defer func() {
 			if err := recover(); err != nil {
-				log.Error("failed to recover: %v", err)
+				log.Error(fmt.Sprintf("failed to recover: %v", err))
 				http.Error(w, fmt.Sprintf("failed to recover: %v", err), http.StatusInternalServerError)
 			}
 		}()
 	})
 
 	if err != nil {
-		log.Fatal("failed to register home endpoint: %v", err)
+		log.Fatal(fmt.Sprintf("failed to register home endpoint: %v", err))
 	}
 }