A user's sync does not complete successfully. The following error is recorded in the activity logs:
"sObject type 'Veeva_Settings_vod__c' is not supported. If you are attempting to use a custom object, be sure to append the '__c' after the entity name. Please reference your WSDL or the describe call for the appropriate names."
The Restrict Access to Custom Settings schema setting is enabled and the user does not have access to the Veeva Settings Custom Settings definition.
Ensure all users have access to the VeevaSettingsService Apex class. This class automatically provides access to Veeva-delivered custom settings in Salesforce, if and only if, a user does not already have any custom setting definitions granted through profile or permission sets.
If a user is granted access to at least one custom setting definition, the user must be manually granted access to all Veeva-delivered custom settings definitions, or the user's profile must have the View All Custom Settings administrative permission.
CRM Help: Veeva Custom Settings