First up - worry not!
Secondly - please contact us here, and one of our agents will be on hand to assist. Ideally, please include the batch code if you have case 2.0 (right photo). Case 1.0 does not have a batch code, so don't worry for that one:
The batch code is found inside the case, underneath the platform where the refill sits. You will need to wind up the case when empty to see this: