The object has an invalid state.
Namespace: TeaTimeAssembly: DiscreteLogics.TeaFiles
(in DiscreteLogics.TeaFiles.dll) Version: 126.96.36.199 (188.8.131.52)
Classes hide internal state and ensure that this state adheres to class invariants. If an operation
encounters a violation of these invariants, it can raise this exception. Usually this operation will
not be able to report when the state was corrputed but only the fact that it has been corrupted.