If you are seeing this message, please check for all of the below:
- That your serial number is in the correct format on the machine selected – as seen on the machine.
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- Big Shot – Serial number will begin with BSM
- Big Shot Plus – Serial number will begin with BSP
- Big Shot Foldaway – Serial number will begin with BSF
- Big Shot Express – Serial number will begin with BSE
- Sidekick – Serial number will begin with SKM
- Please ensure you are using the correct form for the machine being registered. Each of our machine types has a different form. If you are registering two different machine types, these cannot be done via the same form. To ensure you are using the correct form, please check here.
- Ensure there are no hidden spaces or characters within the required fields. If all of the above are checked and corrected, and an ‘invalid’ message is still showing, please contact customer services here.