error message

Keep getting this message.
Disk not ejected properly
Eject pro-blade before disconnecting or turning off
(pro-blade system is only a week old)

My system is a 2019 iMac
memory: 64 GB
mac os: Sequoia 15.1.1
processor: 3.6 GHz 8-Core Intel Core i9

@Ret44po
Have you checked our knowledge base articles?
(Get Support for Your SSDs and Flash Products | SanDisk)

Try this one.

Have you opened a Support Case?
If not, contact SanDisk Technical Support for assistance.
(Contact Support | SanDisk)