{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How should errors be handled during the process of upgrading a blockchain version?","a":"Immediately stop the upgrade process: Once an error is discovered, the upgrade process should be promptly suspended to prevent  the error from spreading and causing greater impact."}]}],"pr":"3a28eb002ea86018226353c31dc6605d614521890d6fbe07563b8e5c76e59fc6"}