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-rw-r--r--src/corelib/statemachine/qstatemachine.cpp5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/corelib/statemachine/qstatemachine.cpp b/src/corelib/statemachine/qstatemachine.cpp
index dcdf5ed..7f2132d 100644
--- a/src/corelib/statemachine/qstatemachine.cpp
+++ b/src/corelib/statemachine/qstatemachine.cpp
@@ -1571,6 +1571,11 @@ void QStateMachine::setErrorState(QAbstractState *state)
\value NoDefaultStateInHistoryStateError The machine has entered a QHistoryState which does not have
a default state set. The context of this error is the QHistoryState which is missing a
default state.
+ \value NoCommonAncestorForTransitionError The machine has selected a transition whose source
+ and targets are not part of the same tree of states, and thus are not part of the same
+ state machine. Commonly, this could mean that one of the states has not been given
+ any parent or added to any machine. The context of this error is the source state of
+ the transition.
\sa setErrorState()
*/