After user enter a message that activate two stage fallback. It get stuck at action_listen and the bot won’t respond anymore. Here is the error when I run locally:
and this is the error when I run on a server:
2022-08-08 03:46:25 ERROR rasa.core.channels.telegram - Exception when trying to handle message.'action_two_stage_fallback'
[2022-08-08 03:46:25 +0000] [1] [ERROR] Exception occurred while handling uri: '<my-url>'
Traceback (most recent call last):
File "handle_request", line 83, in handle_request
)
File "/opt/venv/lib/python3.8/site-packages/rasa/core/channels/telegram.py", line 259, in message
await on_new_message(
File "/opt/venv/lib/python3.8/site-packages/rasa/core/channels/channel.py", line 89, in handler
await app.ctx.agent.handle_message(message)
File "/opt/venv/lib/python3.8/site-packages/rasa/core/agent.py", line 420, in handle_message
return await self.processor.handle_message( # type: ignore[union-attr]
File "/opt/venv/lib/python3.8/site-packages/rasa/core/processor.py", line 147, in handle_message
tracker = await self.run_action_extract_slots(message.output_channel, tracker)
File "/opt/venv/lib/python3.8/site-packages/rasa/core/processor.py", line 173, in run_action_extract_slots
extraction_events = await action_extract_slots.run(
File "/opt/venv/lib/python3.8/site-packages/rasa/core/actions/action.py", line 1209, in run
intent_is_desired = SlotMapping.intent_is_desired(
File "/opt/venv/lib/python3.8/site-packages/rasa/shared/core/slot_mappings.py", line 112, in intent_is_desired
+ SlotMapping._get_active_loop_ignored_intents(
File "/opt/venv/lib/python3.8/site-packages/rasa/shared/core/slot_mappings.py", line 93, in _get_active_loop_ignored_intents
form_ignored_intents = domain.forms[active_loop_name].get(
KeyError: 'action_two_stage_fallback'
config.yml
- name: FallbackClassifier
threshold: 0.7
ambiguity_threshold: 0.1
policies:
- name: MemoizationPolicy
- name: RulePolicy
core_fallback_threshold: 0.3
core_fallback_action_name: "action_default_fallback"
enable_fallback_prediction: True
- name: UnexpecTEDIntentPolicy
max_history: 5
epochs: 100
- name: TEDPolicy
max_history: 5
epochs: 100
constrain_similarities: true
domain.yml
utter_ask_rephrase:
- text: Sorry can you rephrase?
utter_default:
- text: Sorry I don't understand. Can you rephrase?
rules.yml
version: "3.1"
rules:
- rule: Implementation of the Two-Stage-Fallback
steps:
- intent: nlu_fallback
- action: action_two_stage_fallback
- active_loop: action_two_stage_fallback
- rule: Restart after a full two stage fallback
condition:
- active_loop: action_two_stage_fallback
steps:
- action: action_two_stage_fallback
- active_loop: null
- slot_was_set:
- requested_slot: null
- action: utter_default
- action: action_default_fallback
I tried rules with and without the restart two stage rule