send error details to log, 1311473, re #13951

Framework/DataHandling/src/CheckMantidVersion.cpp

@@ -110,10 +110,11 @@ void CheckMantidVersion::exec() {
     bool parseOK = r.parse(json, root);
     if (!parseOK) {
       g_log.error() << "Error trying to parse this JSON string from GitHub: "
-                    << json << std::endl;
+                    << json << std::endl
+                    << ". Error details: " << r.getFormattedErrorMessages()
+                    << std::endl;
       throw std::runtime_error("Error found when parsing version information "
-                               "retrieved from GitHub as a JSON string." +
-                               r.getFormattedErrorMessages());
+                               "retrieved from GitHub as a JSON string.");
     }
 
     std::string gitHubVersionTag = root["tag_name"].asString();