Returns an error when a given value has the correct type but contains invalid data.
This function does not generate a change.
value_err([message])
| Argument | Type | Description |
|---|---|---|
| message | str (optional) | Alternative error message. |
An error value (in a client response, an error value will be packed as a string value with the error message).
This code shows value_err():
value_err();
Return value in JSON format
"object has the right type but an inappropriate value"