Gmail OAuth2 API Error

Questions
1

I encountered an error while running the Gmail integration. I followed the steps outlined in the n8n documentation to configure the Client ID and Client Secret.

My n8n instance is hosted on Render. Kindly assist me.

Error message: The OAuth callback state is invalid

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2

Please give more detail , you need to click > More details

3

I already updated my post. Thank you

4

I need to check the errors currently reported during the OAuth2 authorization process， pls give me errors.

5

Try to add your main url to the authorized javascript origins