#90

backend/app/controllers/materials_controller.rb

@@ -55,7 +55,7 @@ class MaterialsController < ApplicationController
     if material.save
       render json: MaterialRepr.base(material, host: request.base_url), status: :created
     else
-      render_model_errors(material)
+      render_validation_error material
     end
   end
 
@@ -86,7 +86,7 @@ class MaterialsController < ApplicationController
     if material.save
       render json: MaterialRepr.base(material, host: request.base_url)
     else
-      render_model_errors(material)
+      render_validation_error material
     end
   end