Couldn't update the setting. Check your connection.
The error "Couldn't update the setting. Check your connection.", mostly arises when you create a project on Google Action Console and wants to use the capabilities of 'Google Assistant'. Suppose you setup all the things and now trying to link your action in 'Manage Account' section in your Google Assistant App and you got the 'Setting updated and Check your Connection Error'. This may be due to several reasons. Major 3 reasons are listed below.
1. Check your SYNC intent (If the error coming after account linking)
{
"inputs": [
{
"intent": "action.devices.SYNC"
}
],
"requestId": "3566618627096569521"
}
"inputs": [
{
"intent": "action.devices.SYNC"
}
],
"requestId": "3566618627096569521"
}
When user connect the action the above intent triggers, So please check your triggered intent because there might be some error while parsing or handling the above intent.
And also check your fulfillment URL, if having the correct one.
Match your request response format- Smart Home OnOff Trait Schema
2. Incorrectly Structured Response
If the step 1 is ok, then there is a high possibility of returning the incorrect response. There might be a missing field (remember null field will include as missing) or incorrect or missing brackets. So you need to verify it once, Here is the link to verify "Smart HOME SYNC Data Validator".
Check your Api Gateway request and response
3. Check for Time-Out Error
There might be a timeout error. Check your all linked devices if they are responding within 5 seconds, and if there is a delay in responding you may cause this error.
Hope your issues resolved now, and If still no luck then what's you can do-
1. Test on some other device
2. Choose Chrome as a default browser
3. Goto "Assistant Developer Support"
a). Open Action.Console
b). Select your project
c). Click on 3 vertical dot at the top right side
d). Select community and support
e). Fill out the required field
f). Press "Send" button and wait for response.
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