Unable to move devices from 1 SRDF group to another.

Unable to move devices from 1 SRDF group to another.

I have disabled the SRDF group and then tried moving, 

I am getting below error 

The requested operation cannot be performed while SRDF/A session is active.

I also tried to split the group and then move,

Error :

The device is not in a valid RDF state for the operation.

Please let me know what to do.