diff --git a/src/algorithm/CNDFS.cpp b/src/algorithm/CNDFS.cpp
index 02e4c261b7a05dd9d5330124fdfa3783d5fc49a9..1da869c2ae702e8d35ca9f280d03ca6d73b7fd76 100644
--- a/src/algorithm/CNDFS.cpp
+++ b/src/algorithm/CNDFS.cpp
@@ -60,6 +60,7 @@ CNDFS::~CNDFS()=default;
     //mtx.unlock();
 
      //iterate succ of SOG first state
+     //error: segmentation fault here don't know how to fix it
      vector<pair<LDDState*, int>> * edges =mMcl->getGraph()->getInitialAggregate()->getSuccessors();
      for (const auto& pair : *edges)
      {