XPS_E_ALREADY_OWNED

Code: 0x80520503 (2152858883)

As HRESULT:

S: 1 (Failure)
C: 0 (Microsoft-defined)
N: 0 (Not an NTSTATUS value)
Facility: 0x052 (Unknown facility)
Code: 0x0503 (1283)

As NTSTATUS:

Sev: 2 (STATUS_SEVERITY_WARNING)
C: 0 (Microsoft-defined)
Facility: 0x052 (Unknown facility)
Code: 0x0503 (1283)

Documented in Win32

XPS Document Errors (xpsobjectmodel.h): 0x80520503

The interface already has an owner.