diff --git a/src/CacheDisk.cpp b/src/CacheDisk.cpp
index b1b1876b..9b345478 100644
--- a/src/CacheDisk.cpp
+++ b/src/CacheDisk.cpp
@@ -519,7 +519,7 @@ void CacheDisk::SetJson(string value) {
 
 	if (!success)
 		// Raise exception
-		throw InvalidJSON("JSON could not be parsed (or is invalid)", "");
+		throw InvalidJSON("JSON could not be parsed (or is invalid)");
 
 	try
 	{
@@ -529,7 +529,7 @@ void CacheDisk::SetJson(string value) {
 	catch (const std::exception& e)
 	{
 		// Error parsing JSON (or missing keys)
-		throw InvalidJSON("JSON is invalid (missing keys or invalid data types)", "");
+		throw InvalidJSON("JSON is invalid (missing keys or invalid data types)");
 	}
 }
 
diff --git a/src/CacheMemory.cpp b/src/CacheMemory.cpp
index 7bd480e4..4ffed949 100644
--- a/src/CacheMemory.cpp
+++ b/src/CacheMemory.cpp
@@ -372,7 +372,7 @@ void CacheMemory::SetJson(string value) {
 	delete reader;
 	if (!success)
 		// Raise exception
-		throw InvalidJSON("JSON could not be parsed (or is invalid)", "");
+		throw InvalidJSON("JSON could not be parsed (or is invalid)");
 
 	try
 	{
@@ -382,7 +382,7 @@ void CacheMemory::SetJson(string value) {
 	catch (const std::exception& e)
 	{
 		// Error parsing JSON (or missing keys)
-		throw InvalidJSON("JSON is invalid (missing keys or invalid data types)", "");
+		throw InvalidJSON("JSON is invalid (missing keys or invalid data types)");
 	}
 }
 
diff --git a/src/ChunkReader.cpp b/src/ChunkReader.cpp
index 9fc8756c..a463c90e 100644
--- a/src/ChunkReader.cpp
+++ b/src/ChunkReader.cpp
@@ -292,7 +292,7 @@ void ChunkReader::SetJson(string value) {
 	delete reader;
 	if (!success)
 		// Raise exception
-		throw InvalidJSON("JSON could not be parsed (or is invalid)", "");
+		throw InvalidJSON("JSON could not be parsed (or is invalid)");
 
 	try
 	{
@@ -302,7 +302,7 @@ void ChunkReader::SetJson(string value) {
 	catch (const std::exception& e)
 	{
 		// Error parsing JSON (or missing keys)
-		throw InvalidJSON("JSON is invalid (missing keys or invalid data types)", "");
+		throw InvalidJSON("JSON is invalid (missing keys or invalid data types)");
 	}
 }
 
diff --git a/src/Clip.cpp b/src/Clip.cpp
index 3bf6030d..7e82ff01 100644
--- a/src/Clip.cpp
+++ b/src/Clip.cpp
@@ -235,7 +235,7 @@ ReaderBase* Clip::Reader()
 		return reader;
 	else
 		// Throw error if reader not initialized
-		throw ReaderClosed("No Reader has been initialized for this Clip.  Call Reader(*reader) before calling this method.", "");
+		throw ReaderClosed("No Reader has been initialized for this Clip.  Call Reader(*reader) before calling this method.");
 }
 
 // Open the internal reader
@@ -252,7 +252,7 @@ void Clip::Open()
 	}
 	else
 		// Throw error if reader not initialized
-		throw ReaderClosed("No Reader has been initialized for this Clip.  Call Reader(*reader) before calling this method.", "");
+		throw ReaderClosed("No Reader has been initialized for this Clip.  Call Reader(*reader) before calling this method.");
 }
 
 // Close the internal reader
@@ -266,7 +266,7 @@ void Clip::Close()
 	}
 	else
 		// Throw error if reader not initialized
-		throw ReaderClosed("No Reader has been initialized for this Clip.  Call Reader(*reader) before calling this method.", "");
+		throw ReaderClosed("No Reader has been initialized for this Clip.  Call Reader(*reader) before calling this method.");
 }
 
 // Get end position of clip (trim end of video), which can be affected by the time curve.
@@ -282,7 +282,7 @@ float Clip::End()
 			fps = reader->info.fps.ToFloat();
 		else
 			// Throw error if reader not initialized
-			throw ReaderClosed("No Reader has been initialized for this Clip.  Call Reader(*reader) before calling this method.", "");
+			throw ReaderClosed("No Reader has been initialized for this Clip.  Call Reader(*reader) before calling this method.");
 
 		return float(time.GetLength()) / fps;
 	}
@@ -350,7 +350,7 @@ std::shared_ptr<Frame> Clip::GetFrame(int64_t requested_frame)
 	}
 	else
 		// Throw error if reader not initialized
-		throw ReaderClosed("No Reader has been initialized for this Clip.  Call Reader(*reader) before calling this method.", "");
+		throw ReaderClosed("No Reader has been initialized for this Clip.  Call Reader(*reader) before calling this method.");
 }
 
 // Get file extension
@@ -394,7 +394,7 @@ void Clip::get_time_mapped_frame(std::shared_ptr<Frame> frame, int64_t frame_num
 	// Check for valid reader
 	if (!reader)
 		// Throw error if reader not initialized
-		throw ReaderClosed("No Reader has been initialized for this Clip.  Call Reader(*reader) before calling this method.", "");
+		throw ReaderClosed("No Reader has been initialized for this Clip.  Call Reader(*reader) before calling this method.");
 
 	// Check for a valid time map curve
 	if (time.Values.size() > 1)
@@ -812,7 +812,7 @@ void Clip::SetJson(string value) {
 
 	if (!success)
 		// Raise exception
-		throw InvalidJSON("JSON could not be parsed (or is invalid)", "");
+		throw InvalidJSON("JSON could not be parsed (or is invalid)");
 
 	try
 	{
@@ -822,7 +822,7 @@ void Clip::SetJson(string value) {
 	catch (const std::exception& e)
 	{
 		// Error parsing JSON (or missing keys)
-		throw InvalidJSON("JSON is invalid (missing keys or invalid data types)", "");
+		throw InvalidJSON("JSON is invalid (missing keys or invalid data types)");
 	}
 }
 
diff --git a/src/Color.cpp b/src/Color.cpp
index b219e695..1c314aa9 100644
--- a/src/Color.cpp
+++ b/src/Color.cpp
@@ -120,7 +120,7 @@ void Color::SetJson(string value) {
 
 	if (!success)
 		// Raise exception
-		throw InvalidJSON("JSON could not be parsed (or is invalid)", "");
+		throw InvalidJSON("JSON could not be parsed (or is invalid)");
 
 	try
 	{
@@ -130,7 +130,7 @@ void Color::SetJson(string value) {
 	catch (const std::exception& e)
 	{
 		// Error parsing JSON (or missing keys)
-		throw InvalidJSON("JSON is invalid (missing keys or invalid data types)", "");
+		throw InvalidJSON("JSON is invalid (missing keys or invalid data types)");
 	}
 }
 
diff --git a/src/Coordinate.cpp b/src/Coordinate.cpp
index 739d693f..eaa65dea 100644
--- a/src/Coordinate.cpp
+++ b/src/Coordinate.cpp
@@ -83,7 +83,7 @@ void Coordinate::SetJson(string value) {
 
 	if (!success)
 		// Raise exception
-		throw InvalidJSON("JSON could not be parsed (or is invalid)", "");
+		throw InvalidJSON("JSON could not be parsed (or is invalid)");
 
 	try
 	{
@@ -93,7 +93,7 @@ void Coordinate::SetJson(string value) {
 	catch (const std::exception& e)
 	{
 		// Error parsing JSON (or missing keys)
-		throw InvalidJSON("JSON is invalid (missing keys or invalid data types)", "");
+		throw InvalidJSON("JSON is invalid (missing keys or invalid data types)");
 	}
 }
 
diff --git a/src/DecklinkReader.cpp b/src/DecklinkReader.cpp
index 3af5e3fc..4ce30149 100644
--- a/src/DecklinkReader.cpp
+++ b/src/DecklinkReader.cpp
@@ -278,7 +278,7 @@ void DecklinkReader::SetJson(string value) {
 
 	if (!success)
 		// Raise exception
-		throw InvalidJSON("JSON could not be parsed (or is invalid)", "");
+		throw InvalidJSON("JSON could not be parsed (or is invalid)");
 
 	try
 	{
@@ -288,7 +288,7 @@ void DecklinkReader::SetJson(string value) {
 	catch (const std::exception& e)
 	{
 		// Error parsing JSON (or missing keys)
-		throw InvalidJSON("JSON is invalid (missing keys or invalid data types)", "");
+		throw InvalidJSON("JSON is invalid (missing keys or invalid data types)");
 	}
 }
 
diff --git a/src/DecklinkWriter.cpp b/src/DecklinkWriter.cpp
index 7dcede04..4ebbd1f0 100644
--- a/src/DecklinkWriter.cpp
+++ b/src/DecklinkWriter.cpp
@@ -234,7 +234,7 @@ void DecklinkWriter::WriteFrame(std::shared_ptr<Frame> frame)
 {
 	// Check for open reader (or throw exception)
 	if (!is_open)
-		throw WriterClosed("The DecklinkWriter is closed.  Call Open() before calling this method.", "");
+		throw WriterClosed("The DecklinkWriter is closed.  Call Open() before calling this method.");
 
 	delegate->WriteFrame(frame);
 }
diff --git a/src/DummyReader.cpp b/src/DummyReader.cpp
index 346430dc..bdfb7cb5 100644
--- a/src/DummyReader.cpp
+++ b/src/DummyReader.cpp
@@ -156,7 +156,7 @@ void DummyReader::SetJson(string value) {
 
 	if (!success)
 		// Raise exception
-		throw InvalidJSON("JSON could not be parsed (or is invalid)", "");
+		throw InvalidJSON("JSON could not be parsed (or is invalid)");
 
 	try
 	{
@@ -166,7 +166,7 @@ void DummyReader::SetJson(string value) {
 	catch (const std::exception& e)
 	{
 		// Error parsing JSON (or missing keys)
-		throw InvalidJSON("JSON is invalid (missing keys or invalid data types)", "");
+		throw InvalidJSON("JSON is invalid (missing keys or invalid data types)");
 	}
 }
 
diff --git a/src/EffectBase.cpp b/src/EffectBase.cpp
index 30909420..77bfec9b 100644
--- a/src/EffectBase.cpp
+++ b/src/EffectBase.cpp
@@ -112,7 +112,7 @@ void EffectBase::SetJson(string value) {
 
 	if (!success)
 		// Raise exception
-		throw InvalidJSON("JSON could not be parsed (or is invalid)", "");
+		throw InvalidJSON("JSON could not be parsed (or is invalid)");
 
 	try
 	{
@@ -122,7 +122,7 @@ void EffectBase::SetJson(string value) {
 	catch (const std::exception& e)
 	{
 		// Error parsing JSON (or missing keys)
-		throw InvalidJSON("JSON is invalid (missing keys or invalid data types)", "");
+		throw InvalidJSON("JSON is invalid (missing keys or invalid data types)");
 	}
 }
 
diff --git a/src/FFmpegReader.cpp b/src/FFmpegReader.cpp
index c9e21271..b617156f 100644
--- a/src/FFmpegReader.cpp
+++ b/src/FFmpegReader.cpp
@@ -2445,7 +2445,7 @@ void FFmpegReader::SetJson(string value) {
 
 	if (!success)
 		// Raise exception
-		throw InvalidJSON("JSON could not be parsed (or is invalid)", "");
+		throw InvalidJSON("JSON could not be parsed (or is invalid)");
 
 	try {
 		// Set all values that match
@@ -2453,7 +2453,7 @@ void FFmpegReader::SetJson(string value) {
 	}
 	catch (const std::exception& e) {
 		// Error parsing JSON (or missing keys)
-		throw InvalidJSON("JSON is invalid (missing keys or invalid data types)", "");
+		throw InvalidJSON("JSON is invalid (missing keys or invalid data types)");
 	}
 }
 
diff --git a/src/FrameMapper.cpp b/src/FrameMapper.cpp
index ff7cf1ce..40d1899e 100644
--- a/src/FrameMapper.cpp
+++ b/src/FrameMapper.cpp
@@ -75,7 +75,7 @@ ReaderBase* FrameMapper::Reader()
         return reader;
     else
         // Throw error if reader not initialized
-        throw ReaderClosed("No Reader has been initialized for FrameMapper.  Call Reader(*reader) before calling this method.", "");
+        throw ReaderClosed("No Reader has been initialized for FrameMapper.  Call Reader(*reader) before calling this method.");
 }
 
 void FrameMapper::AddField(int64_t frame)
@@ -707,7 +707,7 @@ void FrameMapper::SetJson(string value) {
 
 	if (!success)
 		// Raise exception
-		throw InvalidJSON("JSON could not be parsed (or is invalid)", "");
+		throw InvalidJSON("JSON could not be parsed (or is invalid)");
 
 	try
 	{
@@ -717,7 +717,7 @@ void FrameMapper::SetJson(string value) {
 	catch (const std::exception& e)
 	{
 		// Error parsing JSON (or missing keys)
-		throw InvalidJSON("JSON is invalid (missing keys or invalid data types)", "");
+		throw InvalidJSON("JSON is invalid (missing keys or invalid data types)");
 	}
 }
 
diff --git a/src/ImageReader.cpp b/src/ImageReader.cpp
index a0b7e8f3..b719ee3d 100644
--- a/src/ImageReader.cpp
+++ b/src/ImageReader.cpp
@@ -169,7 +169,7 @@ void ImageReader::SetJson(string value) {
 
 	if (!success)
 		// Raise exception
-		throw InvalidJSON("JSON could not be parsed (or is invalid)", "");
+		throw InvalidJSON("JSON could not be parsed (or is invalid)");
 
 	try
 	{
@@ -179,7 +179,7 @@ void ImageReader::SetJson(string value) {
 	catch (const std::exception& e)
 	{
 		// Error parsing JSON (or missing keys)
-		throw InvalidJSON("JSON is invalid (missing keys or invalid data types)", "");
+		throw InvalidJSON("JSON is invalid (missing keys or invalid data types)");
 	}
 }
 
diff --git a/src/KeyFrame.cpp b/src/KeyFrame.cpp
index 94618135..37e005d9 100644
--- a/src/KeyFrame.cpp
+++ b/src/KeyFrame.cpp
@@ -379,7 +379,7 @@ void Keyframe::SetJson(string value) {
 
 	if (!success)
 		// Raise exception
-		throw InvalidJSON("JSON could not be parsed (or is invalid)", "");
+		throw InvalidJSON("JSON could not be parsed (or is invalid)");
 
 	try
 	{
@@ -389,7 +389,7 @@ void Keyframe::SetJson(string value) {
 	catch (const std::exception& e)
 	{
 		// Error parsing JSON (or missing keys)
-		throw InvalidJSON("JSON is invalid (missing keys or invalid data types)", "");
+		throw InvalidJSON("JSON is invalid (missing keys or invalid data types)");
 	}
 }
 
diff --git a/src/Point.cpp b/src/Point.cpp
index fd23da55..72eedebc 100644
--- a/src/Point.cpp
+++ b/src/Point.cpp
@@ -146,7 +146,7 @@ void Point::SetJson(string value) {
 
 	if (!success)
 		// Raise exception
-		throw InvalidJSON("JSON could not be parsed (or is invalid)", "");
+		throw InvalidJSON("JSON could not be parsed (or is invalid)");
 
 	try
 	{
@@ -156,7 +156,7 @@ void Point::SetJson(string value) {
 	catch (const std::exception& e)
 	{
 		// Error parsing JSON (or missing keys)
-		throw InvalidJSON("JSON is invalid (missing keys or invalid data types)", "");
+		throw InvalidJSON("JSON is invalid (missing keys or invalid data types)");
 	}
 }
 
diff --git a/src/Profiles.cpp b/src/Profiles.cpp
index e57f7aa3..752bdb1e 100644
--- a/src/Profiles.cpp
+++ b/src/Profiles.cpp
@@ -177,7 +177,7 @@ void Profile::SetJson(string value) {
 
 	if (!success)
 		// Raise exception
-		throw InvalidJSON("JSON could not be parsed (or is invalid)", "");
+		throw InvalidJSON("JSON could not be parsed (or is invalid)");
 
 	try
 	{
@@ -187,7 +187,7 @@ void Profile::SetJson(string value) {
 	catch (const std::exception& e)
 	{
 		// Error parsing JSON (or missing keys)
-		throw InvalidJSON("JSON is invalid (missing keys or invalid data types)", "");
+		throw InvalidJSON("JSON is invalid (missing keys or invalid data types)");
 	}
 }
 
diff --git a/src/QtImageReader.cpp b/src/QtImageReader.cpp
index 9107e51f..e223510e 100644
--- a/src/QtImageReader.cpp
+++ b/src/QtImageReader.cpp
@@ -310,7 +310,7 @@ void QtImageReader::SetJson(string value) {
 
 	if (!success)
 		// Raise exception
-		throw InvalidJSON("JSON could not be parsed (or is invalid)", "");
+		throw InvalidJSON("JSON could not be parsed (or is invalid)");
 
 	try
 	{
@@ -320,7 +320,7 @@ void QtImageReader::SetJson(string value) {
 	catch (const std::exception& e)
 	{
 		// Error parsing JSON (or missing keys)
-		throw InvalidJSON("JSON is invalid (missing keys or invalid data types)", "");
+		throw InvalidJSON("JSON is invalid (missing keys or invalid data types)");
 	}
 }
 
diff --git a/src/TextReader.cpp b/src/TextReader.cpp
index 27f503e1..e92ec285 100644
--- a/src/TextReader.cpp
+++ b/src/TextReader.cpp
@@ -230,7 +230,7 @@ void TextReader::SetJson(string value) {
 
 	if (!success)
 		// Raise exception
-		throw InvalidJSON("JSON could not be parsed (or is invalid)", "");
+		throw InvalidJSON("JSON could not be parsed (or is invalid)");
 
 	try
 	{
@@ -240,7 +240,7 @@ void TextReader::SetJson(string value) {
 	catch (const std::exception& e)
 	{
 		// Error parsing JSON (or missing keys)
-		throw InvalidJSON("JSON is invalid (missing keys or invalid data types)", "");
+		throw InvalidJSON("JSON is invalid (missing keys or invalid data types)");
 	}
 }
 
diff --git a/src/Timeline.cpp b/src/Timeline.cpp
index 296e7a93..b8dabf68 100644
--- a/src/Timeline.cpp
+++ b/src/Timeline.cpp
@@ -746,7 +746,7 @@ std::shared_ptr<Frame> Timeline::GetFrame(int64_t requested_frame)
 
 		// Check for open reader (or throw exception)
 		if (!is_open)
-			throw ReaderClosed("The Timeline is closed.  Call Open() before calling this method.", "");
+			throw ReaderClosed("The Timeline is closed.  Call Open() before calling this method.");
 
 		// Check cache again (due to locking)
 		#pragma omp critical (T_GetFrame)
@@ -1040,7 +1040,7 @@ void Timeline::SetJson(string value) {
 
 	if (!success)
 		// Raise exception
-		throw InvalidJSON("JSON could not be parsed (or is invalid)", "");
+		throw InvalidJSON("JSON could not be parsed (or is invalid)");
 
 	try
 	{
@@ -1050,7 +1050,7 @@ void Timeline::SetJson(string value) {
 	catch (const std::exception& e)
 	{
 		// Error parsing JSON (or missing keys)
-		throw InvalidJSON("JSON is invalid (missing keys or invalid data types)", "");
+		throw InvalidJSON("JSON is invalid (missing keys or invalid data types)");
 	}
 }
 
@@ -1139,7 +1139,7 @@ void Timeline::ApplyJsonDiff(string value) {
 
 	if (!success || !root.isArray())
 		// Raise exception
-		throw InvalidJSON("JSON could not be parsed (or is invalid).", "");
+		throw InvalidJSON("JSON could not be parsed (or is invalid).");
 
 	try
 	{
@@ -1167,7 +1167,7 @@ void Timeline::ApplyJsonDiff(string value) {
 	catch (const std::exception& e)
 	{
 		// Error parsing JSON (or missing keys)
-		throw InvalidJSON("JSON is invalid (missing keys or invalid data types)", "");
+		throw InvalidJSON("JSON is invalid (missing keys or invalid data types)");
 	}
 }
 
diff --git a/src/WriterBase.cpp b/src/WriterBase.cpp
index f677215a..3344c55a 100644
--- a/src/WriterBase.cpp
+++ b/src/WriterBase.cpp
@@ -209,7 +209,7 @@ void WriterBase::SetJson(string value) {
 
 	if (!success)
 		// Raise exception
-		throw InvalidJSON("JSON could not be parsed (or is invalid)", "");
+		throw InvalidJSON("JSON could not be parsed (or is invalid)");
 
 	try
 	{
@@ -219,7 +219,7 @@ void WriterBase::SetJson(string value) {
 	catch (const std::exception& e)
 	{
 		// Error parsing JSON (or missing keys)
-		throw InvalidJSON("JSON is invalid (missing keys or invalid data types)", "");
+		throw InvalidJSON("JSON is invalid (missing keys or invalid data types)");
 	}
 }