diff --git a/TopsortAnalytics/src/main/java/com/topsort/analytics/model/auctions/AuctionResponse.kt b/TopsortAnalytics/src/main/java/com/topsort/analytics/model/auctions/AuctionResponse.kt
index fafbe9e..892a7f3 100644
--- a/TopsortAnalytics/src/main/java/com/topsort/analytics/model/auctions/AuctionResponse.kt
+++ b/TopsortAnalytics/src/main/java/com/topsort/analytics/model/auctions/AuctionResponse.kt
@@ -82,7 +82,7 @@ enum class EntityType {
             "vendor" -> VENDOR
             "brand" -> BRAND
             "url" -> URL
-            else -> throw IllegalArgumentException()
+            else -> throw IllegalArgumentException("not valid entity type: $value")
         }
     }
 }