Improved error message

src/TimeRange.cpp

@@ -1,6 +1,7 @@
 #include "TimeRange.h"
 #include <stdexcept>
 #include <ostream>
+#include <format.h>
 
 using time_type = TimeRange::time_type;
 
@@ -13,7 +14,9 @@ TimeRange::TimeRange(time_type start, time_type end) :
 	start(start),
 	end(end)
 {
-	if (start > end) throw std::invalid_argument("Start must not be less than end.");
+	if (start > end) {
+		throw std::invalid_argument(fmt::format("Time range start must not be less than end. Start: {0}, end: {1}", start, end));
+	}
 }
 
 time_type TimeRange::getStart() const {