Hi Renee,Can you clarify which version of the Salesforce Integration you are using?
Meaning, the integration should not struggle when comparing the code to what is configured within Cvent. Reason being is that the previous code associated to the Product GUID rather than the Product Code. This means that for the integration purpose, we would map according to the Code instead.
Please see the documentation here, where the code and Id are differentiated: https://developers.cvent.com/documentation/soap-api/object-definitions/event-objects/registration/