| InjectionUnavailableException | Thrown with an attempt to access an injection that does not exist. |
| InvalidEdgeHeadTypeException | Thrown when a particle's edge method is called with an argument of type that is not supported by the edge itself. |
| InvalidParticleMethodException | Thrown when a particle is called with an unknown function (e.g invalid edge etc.) |
| PredicateClassDoesNotExistException | Thrown when the given predicate class does not exist. |
| UnrecognizedSetOfParametersForFormativeEdgeException | Thrown in an attempt to form a new node (with a formative edge) but the given parameters are not recognizable. |