More details in error messages

meteoio/IOUtils.h

@@ -220,6 +220,7 @@ namespace IOUtils {
 		const std::string value = it->second;
 
 		if(!convertString<T>(t, value, std::dec)) {
+			std::cerr << "[E] When reading \"" << key << "\" = \"" << t << "\"\n";
 			throw ConversionFailedException(value, AT);
 		}
 	}
@@ -256,6 +257,7 @@ namespace IOUtils {
 		for (unsigned int ii=0; ii<counter; ii++){
 			T myvar;
 			if(!convertString<T>(myvar, vecUnconvertedValues.at(ii), std::dec)){
+				std::cerr << "[E] When reading \"" << key << "\" = \"" << myvar << "\"\n";
 				throw ConversionFailedException(vecUnconvertedValues.at(ii), AT);
 			}
 			vecT.push_back(myvar);