When a call is made to the DocuSign service, you receive the following error, 

Please correct the following DocuWare configuration issues to allow DocuWare Electronic Signature to function properly: Field [Field Name] does not exist or user does not have read permission

This error message indicates either one of the following, 

  1. The account running the workflow does not have permissions to the referenced index field.
  2. The name of the field is not correct. You'll need to ensure that the correct database name has been provided.

To find out the database name of an index field, please refer to the following KBA article.
KBA-36531  · DocuWare Support Portal