diff --git a/source/Lib/CommonLib/TypeDef.h b/source/Lib/CommonLib/TypeDef.h
index 1cda5b00..782b2519 100644
--- a/source/Lib/CommonLib/TypeDef.h
+++ b/source/Lib/CommonLib/TypeDef.h
@@ -743,8 +743,10 @@ class Exception : public std::exception
   virtual ~Exception() noexcept = default;
   CLASS_COPY_MOVE_DEFAULT( Exception )
 
-  virtual const char* what() const noexcept                 { return m_str.c_str(); }
-  template<typename T> Exception& operator<<( const T& t )  { std::ostringstream oss; oss << t; m_str += oss.str(); return *this; }
+  virtual const char* what() const noexcept  { return m_str.c_str(); }
+  template<typename T>
+  inline Exception& operator<<( const T& t ) { std::ostringstream oss; oss << t; m_str += oss.str(); return *this; }
+
 private:
   std::string m_str;
 };
@@ -755,6 +757,9 @@ class RecoverableException : public Exception
   explicit RecoverableException( const std::string& _s ) : Exception( _s ) {}
   virtual ~RecoverableException() noexcept = default;
   CLASS_COPY_MOVE_DEFAULT( RecoverableException )
+
+  template<typename T>
+  inline RecoverableException& operator<<( const T& t ) { static_cast<Exception&>( *this ) << t; return *this; }
 };
 
 class UnsupportedFeatureException : public Exception
@@ -763,6 +768,9 @@ class UnsupportedFeatureException : public Exception
   explicit UnsupportedFeatureException( const std::string& _s ) : Exception( _s ) {}
   virtual ~UnsupportedFeatureException() noexcept = default;
   CLASS_COPY_MOVE_DEFAULT( UnsupportedFeatureException )
+
+  template<typename T>
+  inline UnsupportedFeatureException& operator<<( const T& t ) { static_cast<Exception&>( *this ) << t; return *this; }
 };
 
 #if defined( __MINGW32__ ) && !defined( __MINGW64__ )
diff --git a/source/Lib/DecoderLib/DecLibParser.cpp b/source/Lib/DecoderLib/DecLibParser.cpp
index 2f893d7e..2fff9b86 100644
--- a/source/Lib/DecoderLib/DecLibParser.cpp
+++ b/source/Lib/DecoderLib/DecLibParser.cpp
@@ -247,7 +247,7 @@ bool DecLibParser::parse( InputNALUnit& nalu )
       const VPS* vps = m_parameterSetManager.getVPS( sps->getVPSId() );
       m_seiReader.parseSEImessage( &( nalu.getBitstream() ), m_pcParsePic->seiMessageList, nalu.m_nalUnitType, nalu.m_nuhLayerId, nalu.m_temporalId, vps, sps, m_HRD, m_pDecodedSEIOutputStream );
 
-      if( m_parseFrameDelay == 0 )   // else it has to be done in finishPicture()
+      if( m_parseFrameDelay == 0 && !m_pcParsePic->error )   // if m_parseFrameDelay > 0, it has to be done in finishPicture()
       {
         // if parallel parsing is disabled, wait for the picture to finish
         if( m_threadPool->numThreads() == 0 )