Camarray UC-512 RevD1 and two UC-517 Cams don'work

get_camera delivers supported=1 and detected=1
but raspistill -t delievers no image:

[email protected]:~ $ vcgencmd get_camera
supported=1 detected=1
[email protected]:~ $ raspistill -t
mmal: mmal_vc_component_enable: failed to enable component: ENOSPC
mmal: camera component couldn’t be enabled
mmal: main: Failed to create camera component
mmal: Failed to run camera app. Please check for firmware updates

[email protected]:~ $

Where is the problem?
“buster” or “bullseye” (with libcamera) both don’t deliever an image

best regards

No answer?
What shall I do?
Send back and ask paypal for refund?