Configure a signature in your Zoho Sign profile
 and try again

• I have taken the contact name and email from an account record that works with this flow and used it in an account that returns the error message but I keep getting the error message.
  
• I have taken the contact name and email from an account record that doesn't work with this flow and used it as the contact for a record that does work with the flow and the flow continues to work properly.
  
• I rechecked the connections, accounts, Sign document, etc. multiple times.