License codes are not cross-compatible across WriteMapper 2 and WriteMapper 3.
Each major version of the app has their own type of license code that is valid for use in that version.
License codes for version 3.x.x of WriteMapper are prefixed with “WM3-“, and are 33 characters long (e.g. WM3-ABCD-ABCD-ABCD-ABCD-ABCD-ABCD).
License codes for version 2.x.x of WriteMapper do not have a particular prefix, and are 29 characters long (e.g. ABCD-ABCD-ABCD-ABCD-ABCD-ABCD).
Additionally, logging into the License Manager will display which version of the app your license code is meant for, alongside each license code you have.