How to Resolve the "INVALID ARGUMENT" Error in Mergo

When you encounter the INVALID ARGUMENT error in Mergo, it typically indicates an issue with the use of an email alias that has not been properly configured in Gmail. To address this error, follow the steps below:

• Ensure that if you have selected a specific alias, you are able to send emails using this alias successfully.
• If you previously used an alias but no longer use it, verify that this alias is not selected by default in the Gmail draft you are utilizing for your campaign.
• Additionally, ensure that the alias is not set up in the settings of your Mergo campaign.

By checking these aspects, you can effectively resolve the INVALID ARGUMENT error and continue your email campaigns without interruption.