To troubleshoot the issue, the user needs to identify where it comes from: Cloudbeds or app/partner. Most of the apps listed on the Marketplace are build to us integrations, which means that in order to identify and resolve an issue you need to contact that app's support team first.
For detailed information please check this guide: Apps & Integrations Troubleshooting
Please note that any questions about creating an account on a third-party app should be sent to that app's support team.
Yes, both Cloudbeds and Marketplace partner App currency should match.