AWS, Invalid device name /dev/sdb1, IDES ERP 6.0 Including Enhancement Package 7 on SAP HANA

Hi,

I am launching an AWS, IDES ERP 6.0 Including Enhancement Package 7 on SAP HANA from CAL.

When activating it I get error              Message:              Invalid device name /dev/sdb1 (Service: AmazonEC2; Status Code: 400; Error Code: InvalidBlockDeviceMapping; Request ID: 4cb86301-9c44-4372-947e-a6ecf40d2375

Where did I go wrong

Regards

Herman