I.R.I.S. Cardiris 5 for Microsoft Dyn CRM - Manual (Page 28)

Cardiris TM 5 – Administrator Guide
27
Below you find an overview of common errors that may occur
while exporting to Microsoft Dynamics CRM:

The format of the Cardiris contacts is not in line with
Salesforce's CRM policy.
o E.g. the e-mail address does not contain an @.
o E.g. the contact's last name is missing.

The administrator who is trying to configure the Salesforce CRM
connector does not have an adequate Salesforce account
(Enterprise, Unlimited or Developer edition account required).

The user who is trying to export to Salesforce CRM does not
have access to the Salesforce API.

The user is exporting to a different Salesforce account than the
one used by the administrator to do the configuration.
Examples
Typical error when contacts are not in line with Salesforce's CRM
policy