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If you have carefully followed this document and configured your multilingual chatbot but cannot get it to work in the language you desired,
Remove App Settings function node
Go to Experience Designer>Bot Manager flow
Look for the App Settings function node.
Remove the App Settings function node and the connected nodes/flow.
Deploy the flow
Reset the Settings in the Bot View Template node
Go to the Experience Designer>Bot Manager flow >Bot View template > Settings tab.
Remove the existing code in the Settings tab and click Done. (All the properties will be reset to default)
Deploy the flow.
Your chatbot should now work in the configured language.
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