diff --git a/cpp/src/api/exception/cyclic_interaction_error.cpp b/cpp/src/api/exception/cyclic_interaction_error.cpp
index b01ee0c7..73d3ac5c 100644
--- a/cpp/src/api/exception/cyclic_interaction_error.cpp
+++ b/cpp/src/api/exception/cyclic_interaction_error.cpp
@@ -52,6 +52,8 @@ std::string describeEdgeType(EdgeType edgeType) {
       return "Asset Overlap";
     case EdgeType::tieBreak:
       return "Tie Break";
+    case EdgeType::blueprintMaster:
+      return "Blueprint Master";
     default:
       return "Unknown";
   }