Plesk 11.0.9 ERROR:Unable to remove domain mail: mailmng failed: APIObject.OpenDomain

[LongNT]

Hi Support

When i delete a Subscriptions and Plesk is ERROR:

"Error: Some of the selected subscriptions were not removed."
"Error: Unable to delete DSMail service for domain: Unable to remove domain mail: mailmng failed: APIObject.OpenDomain failed for name="



Fresh install:
Server Windows 2008 R2 x64
Plesk 11.5.30
Mail server: IceWarp Server 10.2.2

Other server update plesk 11.0.9 > 11.5.30 is same error

Please help me!