The operation was not allowed by the current state of the object.
This is a generic error used for a variety of different erroneous actions. The message should be descriptive.
- StateError(String message)
- message → String
- hashCode → int
The hash code for this object.read-only, inherited
- runtimeType → Type
A representation of the runtime type of the object.read-only, inherited
- stackTrace → StackTrace
other) → bool
The equality operator.inherited
) → String
Returns a string representation of this object.
Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed.inherited