Genesyscloud_bot_intent 422 Unprocessable Entity on NLU Model Update

Architect & Flows
1

What is the reason this setting causes a 422 error when pushing intent updates via Terraform?

Context:
Environment: AU-1 BYOC
Provider: genesyscloud v1.22.0
Resource: genesyscloud_bot_intent

Pushing new training phrases triggers:

Error: PUT https://api.au-gcp.genesiscloud.com/v2/bots/123/intents/456
Status: 422 Unprocessable Entity
Response: {"code":"invalid_request","message":"NLU model training failed"}
  • Verified JSON payload syntax against API docs. No syntax errors.
  • Restarted the bot resource in Architect. Error persists on subsequent apply.