Error: can’t be update on SF. ERROR: entity type cannot be inserted: Dated Conversion Rate When you see this error in the logs it could be for 2 reasons:
You have selected Advanced or Both in the Type, during the configuration in the Setup but your Advanced Currency Management is not active in Salesforce. Please follow this instructions to activate it.
The configured user to update the currencies has not Customize Application permission. Check his or her profile or permission set.