Troubleshooting
Use this page when a graph exists but does not play, UI appears but choices do not work, or generated/imported data behaves unexpectedly.
The dialogue does not start
DialogManager.uiPanelis assigned- the graph is mapped in
dialogGraphs - the requested
dialogIDmatches exactly - the graph has a valid
Startlink
The UI appears but choices do not work
choiceButtonPrefabis assigned- the prefab root has a
Button choicesContaineris assigned- the EventSystem is active and compatible with your input setup
History panel is empty
DialogueHistoryis enabled- it is subscribed to the active
DialogManager DialogueHistoryViewreferences are wired
Transcript comes back empty
- the conversation was started by
dialogID - the conversation has already completed once
- the graph mapping still exists
- the graph structure has not changed in a way that invalidates the stored branch path
JSON import fails
- the JSON is valid
- GUIDs are unique
- links reference real nodes
- choice arrays and link ports align
AI command preview fails
- the provider returned structured JSON content and not explanatory text
- the selected command is supported in the current release
- the selected model can follow structured output instructions reliably
- the provider asset points to the correct endpoint and contains your current key or local Ollama settings