Error 400—Not a valid C2V
This page applies to Harlequin v13.1r0 and later; both Harlequin Core and Harlequin MultiRIP.
If you attempt to use an SL Product Key to program a dongle, the following message appears:
Activation failed (400): Not a valid C2V
This error does not decrement the available activation count; you can try again with the right key.