diff --git a/src/_micro-api/libraries/signalDecoder/src/signalDecoder.cpp b/src/_micro-api/libraries/signalDecoder/src/signalDecoder.cpp
index 71d9e7d9..eb46b2d0 100644
--- a/src/_micro-api/libraries/signalDecoder/src/signalDecoder.cpp
+++ b/src/_micro-api/libraries/signalDecoder/src/signalDecoder.cpp
@@ -66,7 +66,12 @@ inline void SignalDetectorClass::addData(const uint8_t value)
 		messageLen++;
 	}
 	else {
-		MSG_PRINTLN(F("addData overflow!!"));
+		MSG_PRINT("val="); MSG_PRINT(value);
+		MSG_PRINT(" msglen="); MSG_PRINT(messageLen);
+		MSG_PRINT(" bytecnt="); MSG_PRINT(message.bytecount); 
+		MSG_PRINT(" valcnt="); MSG_PRINT(message.valcount);
+		MSG_PRINT(" mTrunc="); MSG_PRINT(m_truncated);
+		MSG_PRINTLN(F(" addData overflow!!"));
 	}
 }