You have two active CC & one suspended CC, it does not require serial number.
Please follow the steps in :
https://helpx.adobe.com/creative-cloud/kb/asks-serial-number-error.html
Regards
Rajashree
You have two active CC & one suspended CC, it does not require serial number.
Please follow the steps in :
https://helpx.adobe.com/creative-cloud/kb/asks-serial-number-error.html
Regards
Rajashree