diff --git a/src/logging/logging.h b/src/logging/logging.h
index d581f652..7a0072eb 100644
--- a/src/logging/logging.h
+++ b/src/logging/logging.h
@@ -277,7 +277,8 @@ class qLogger
     inline static BlobInfo* mapLogIdToBufferIndex = NULL;
     inline static unsigned long long logBufferTail;
     inline static unsigned long long logId;
-    inline static unsigned int tickBegin;
+    inline static unsigned int tickBegin; // initial tick of the epoch
+    inline static unsigned int tickLoadedFrom; // tick that this node load from (save/load state feature)
     inline static unsigned int currentTxId;
     inline static unsigned int currentTick;
     inline static BlobInfo currentTxInfo;
@@ -471,7 +472,7 @@ class qLogger
                 return false;
             }
         }
-        reset(0);
+        reset(0, 0);
 #endif
         return true;
     }
@@ -497,7 +498,7 @@ class qLogger
 #endif
     }
 
-    static void reset(unsigned int _tickBegin)
+    static void reset(unsigned int _tickBegin, unsigned int _tickLoadedFrom)
     {
 #if ENABLED_LOGGING
         logBuf.init();
@@ -505,6 +506,7 @@ class qLogger
         logBufferTail = 0;
         logId = 0;
         tickBegin = _tickBegin;
+        tickLoadedFrom = _tickLoadedFrom;
 #endif
     }
 
diff --git a/src/logging/net_msg_impl.h b/src/logging/net_msg_impl.h
index e4ffdf85..13467eac 100644
--- a/src/logging/net_msg_impl.h
+++ b/src/logging/net_msg_impl.h
@@ -76,9 +76,18 @@ void qLogger::processRequestTxLogInfo(Peer* peer, RequestResponseHeader* header)
         )
     {
         ResponseLogIdRangeFromTx resp;
-        BlobInfo info = tx.getLogIdInfo(request->tick, request->txId);
-        resp.fromLogId = info.startIndex;
-        resp.length = info.length;
+        if (request->tick < tickLoadedFrom)
+        {
+            // unknown logging because the whole node memory is loaded from files
+            resp.fromLogId = -2;
+            resp.length = -2;            
+        } 
+        else
+        {
+            BlobInfo info = tx.getLogIdInfo(request->tick, request->txId);
+            resp.fromLogId = info.startIndex;
+            resp.length = info.length;            
+        }
         enqueueResponse(peer, sizeof(ResponseLogIdRangeFromTx), ResponseLogIdRangeFromTx::type, header->dejavu(), &resp);
         return;
     }
@@ -100,12 +109,24 @@ void qLogger::processRequestTickTxLogInfo(Peer* peer, RequestResponseHeader* hea
     {
         ResponseAllLogIdRangesFromTick resp;
         int txId = 0;
-        for (txId = 0; txId < LOG_TX_PER_TICK; txId++)
+        if (request->tick < tickLoadedFrom)
         {
-            BlobInfo info = tx.getLogIdInfo(request->tick, txId);
-            resp.fromLogId[txId] = info.startIndex;
-            resp.length[txId] = info.length;
+            // unknown logging because the whole node memory is loaded from files
+            for (txId = 0; txId < LOG_TX_PER_TICK; txId++)
+            {
+                resp.fromLogId[txId] = -2;
+                resp.length[txId] = -2;
+            }
         }
+        else
+        {
+            for (txId = 0; txId < LOG_TX_PER_TICK; txId++)
+            {
+                BlobInfo info = tx.getLogIdInfo(request->tick, txId);
+                resp.fromLogId[txId] = info.startIndex;
+                resp.length[txId] = info.length;
+            }            
+        }        
         enqueueResponse(peer, sizeof(ResponseAllLogIdRangesFromTick), ResponseAllLogIdRangesFromTick::type, header->dejavu(), &resp);
         return;
     }
diff --git a/src/public_settings.h b/src/public_settings.h
index bec85c0d..812ec556 100644
--- a/src/public_settings.h
+++ b/src/public_settings.h
@@ -50,11 +50,11 @@
 
 #define VERSION_A 1
 #define VERSION_B 230
-#define VERSION_C 1
+#define VERSION_C 2
 
 // Epoch and initial tick for node startup
-#define EPOCH 141
-#define TICK 18017311
+#define EPOCH 142
+#define TICK 18168941
 
 #define ARBITRATOR "AFZPUAIYVPNUYGJRQVLUKOPPVLHAZQTGLYAAUUNBXFTVTAMSBKQBLEIEPCVJ"
 
diff --git a/src/qubic.cpp b/src/qubic.cpp
index 8917b706..35c1e374 100644
--- a/src/qubic.cpp
+++ b/src/qubic.cpp
@@ -2282,7 +2282,7 @@ static void processTick(unsigned long long processorNumber)
 
     if (system.tick == system.initialTick)
     {
-        logger.reset(system.initialTick); // clear logs here to give more time for querying and persisting the data when we do seamless transition
+        logger.reset(system.initialTick, system.initialTick); // clear logs here to give more time for querying and persisting the data when we do seamless transition
         logger.registerNewTx(system.tick, logger.SC_INITIALIZE_TX);
         contractProcessorPhase = INITIALIZE;
         contractProcessorState = 1;
@@ -3410,7 +3410,7 @@ static bool loadAllNodeStates()
 
 #if ENABLED_LOGGING
     logToConsole(L"Initializing logger");
-    logger.reset(system.initialTick); // initialize the logger
+    logger.reset(system.initialTick, system.tick); // initialize the logger
 #endif
     return true;
 }