CS Amazon Integration & Sync

The App has always been amazing until last 2 weeks. It does not work properly anymore. I have to execute manually all the tasks. I have sent several support mails and I always get a message telling me they are updating the server. Extremely frustrated as they have always been brilliant and their product used to work perfectly. I will be happy to change my review as soon as they fix it, as their product is really good, but I need a solution asap.