diff --git a/src/cmd/worker/main.go b/src/cmd/worker/main.go
index 8924267..043b9d4 100644
--- a/src/cmd/worker/main.go
+++ b/src/cmd/worker/main.go
@@ -25,17 +25,17 @@ import (
 )
 
 const (
-	defAppName       = "basket-worker"
-	defLoggerAddr    = "api-logger:24224"
-	defRegistryAddr  = "api-registry:8500"
-	defDbURL         = "postgres://postgres:12345678@postgres-db:5432/egommerce"
-	defCacheAddr     = "api-cache:6379"
-	defCachePassword = "12345678"
-	defMongoDbURL    = "mongodb://mongodb:12345678@mongo-db:27017"
-	defEventBusURL   = "amqp://guest:guest@api-eventbus:5672"
-	ebEventsExchange = "api-events"
-	ebEventsQueue    = "basket-worker"
-	defKVNmspc       = "dev.egommerce/service/basket-worker"
+// defAppName       = "basket-worker"
+// defLoggerAddr    = "api-logger:24224"
+// defRegistryAddr  = "api-registry:8500"
+// defDbURL         = "postgres://postgres:12345678@postgres-db:5432/egommerce"
+// defCacheAddr     = "api-cache:6379"
+// defCachePassword = "12345678"
+// defMongoDbURL    = "mongodb://mongodb:12345678@mongo-db:27017"
+// defEventBusURL   = "amqp://guest:guest@api-eventbus:5672"
+// ebEventsExchange = "api-events"
+// ebEventsQueue    = "basket-worker"
+// defKVNmspc       = "dev.egommerce/service/basket-worker"
 )
 
 func main() {
@@ -169,7 +169,7 @@ func main() {
 
 					basket, err := ui.AddProductToBasket(basketSrv, productID, qty, basketID, reqID)
 					if err == nil {
-						logger.Log("Product #%s added to basket #%s. ReqID: #%s", productID, basket.ID, reqID)
+						logger.Log("Product #%d added to basket #%s. ReqID: #%s", productID, basket.ID, reqID)
 					}
 				case strings.Contains(eName, event.EVENT_PRODUCT_REMOVED_FROM_BASKET):
 					productID := int(data["product_id"].(float64))
@@ -177,7 +177,7 @@ func main() {
 
 					basket, err := ui.RemoveProductFromBasket(basketSrv, productID, qty, basketID, reqID)
 					if err == nil {
-						logger.Log("Product #%s removed from basket #%s. ReqID: #%s", productID, basket.ID, reqID)
+						logger.Log("Product #%d removed from basket #%s. ReqID: #%s", productID, basket.ID, reqID)
 					}
 				}
 
diff --git a/src/pkg/server/server.go b/src/pkg/server/server.go
index 10c7029..86bd22a 100644
--- a/src/pkg/server/server.go
+++ b/src/pkg/server/server.go
@@ -58,20 +58,20 @@ func (s *Server) GetRequestID(c *fiber.Ctx) (string, error) {
 
 // @Refactor make single func with error message and optional http status code...
 func (s *Server) Error400(c *fiber.Ctx, msg string) error {
-	return c.Status(fiber.StatusBadRequest).JSON(http.ErrorResponse{msg})
+	return c.Status(fiber.StatusBadRequest).JSON(http.ErrorResponse{Error: msg})
 	// test with &(reference) before http.ErrorMessage, but probably it's gonna be erroneous
 }
 
 func (s *Server) Error401(c *fiber.Ctx, msg string) error {
-	return c.Status(fiber.StatusUnauthorized).JSON(http.ErrorResponse{msg})
+	return c.Status(fiber.StatusUnauthorized).JSON(http.ErrorResponse{Error: msg})
 }
 
 func (s *Server) Error403(c *fiber.Ctx, msg string) error {
-	return c.Status(fiber.StatusForbidden).JSON(http.ErrorResponse{msg})
+	return c.Status(fiber.StatusForbidden).JSON(http.ErrorResponse{Error: msg})
 }
 
 func (s *Server) Error404(c *fiber.Ctx, msg string) error {
-	return c.Status(fiber.StatusNotFound).JSON(http.ErrorResponse{msg})
+	return c.Status(fiber.StatusNotFound).JSON(http.ErrorResponse{Error: msg})
 }
 
 // @EndRefactor