Please follow the below steps to resolve this error.
- On BOB CRM, Select Config > Select Business details
- Verify OTP and check the "info email address" field. Update the email id here as "info@(client's domain name)" without any spaces

- Select Specs > More > Domain options > Reset Email password
This will reset the email password and the client will be able to check their email.
Please Note: Check email option must be enabled under store settings. Please
click on this link for an article on the same.
Please reach out to the technical team in case of any queries/issues.