is that a a good way to add optional info to an error message: ``` "Body is valid JSO...

# codereview

[christophsturm]

is that a a good way to add optional info to an error message:

"Body is valid JSON but with the wrong parameters."
                        + (e.path.lastOrNull()?.fieldName?.let { " This field could not be read: $it"  } ?: "")