Invalid key after install beta14

[Corvy]

Hi Piboso,

I install a new Beta 14 but my licence is invalide, while I was playing on version 13 without problem
I did not find a license in my installation files, I may have deleted it during the installation ...
how can I do
Thanks for you reponse

[Snappe]

Please check the following file exists and is correct:
Documents\PiBoSo\MX Bikes\license.ini