{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How should errors be handled during the blockchain upgrade process?","a":"Analyze the cause of the error: Conduct an in-depth analysis of the error to identify the specific reasons that led to it, which will help provide a basis for subsequent  error fixes."}]}],"pr":"4b1431a2e4c8645b9df57da9c0548ed2ddc9954655e075503ad3f7dee7d78b1f"}