Silented warning/error

src/libs/subsonic/impl/ParameterParsing.hpp

@@ -67,7 +67,7 @@ namespace API::Subsonic
 		std::vector<T> params {getMultiParametersAs<T>(parameterMap, param)};
 
 		if (params.size() != 1)
-			return {};
+			return std::nullopt;
 
 		return T { std::move(params.front()) };
 	}

src/lms/ui/resource/AudioTranscodeResource.cpp

@@ -108,7 +108,7 @@ readParameterAs(const Wt::Http::Request& request, const std::string& parameterNa
 	auto paramStr {request.getParameter(parameterName)};
 	if (!paramStr)
 	{
-		LOG(ERROR) << "Missing parameter '" << parameterName << "'";
+		LOG(DEBUG) << "Missing parameter '" << parameterName << "'";
 		return std::nullopt;
 	}