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Error: "HelloSign responded with an error. Undefined method inject for nil:Nilclass" When Creating a PDF Template in Grow


  • Error 409 in Clio Grow
  • Clio Grow internal PDF template isn't being sent. 
  • Cannot send Clio Grow template when only Users are the signers. 


  • Clio Grow

Additional Information:

If the Document is intended for internal use only, add a User's details as a Contact, and assign them as one of the signers. 


Every document must have at least 1 contact signer and can have 0 or more user signers. 


  1. Edit the Document Template to contain at least one Contact
  2. Make one of the signature lines the Contact
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