Unable to add user to the account due to the following reason: Invalid forgotten password challenge
If you are attempting to add a new User to your DocuSign Account using the API or an integration that uses the API and you receive the error: "Unable to add user to the account due to the following reason: Invalid forgotten password challenge'. The issue is most likely due to the DocuSign Account's Password Strength setting. The DocuSign Account Administrator must set the Password Questions Required option to 0.
Click on the Profile Menu > Go to Admin , then under the Security Settings, click Password Rules. Under Password questions required, select 0.