JET_errSessionContextNotSetByThisThread

Code: 0xfffff887 (4294965383)

As HRESULT:

S: 1 (Failure)
R: 1 (Part of the wrapped NTSTATUS severity, since N is set)
C: 1 (Customer-defined)
N: 1 (Wraps an NTSTATUS value)
X: 1 (Reserved, only expected on the TRK exceptions)
Facility: 0x7ff (Unknown facility)
Code: 0xf887 (63623)

As NTSTATUS:

Sev: 3 (STATUS_SEVERITY_ERROR)
C: 1 (Customer-defined)
N: 1 (Reserved, must be clear in a well-formed NTSTATUS)
Facility: 0xfff (Unknown facility)
Code: 0xf887 (63623)

Abstract

Tried to reset session context, but current thread did not orignally set the session context

Documented in Win32

Extensible Storage Engine Error Codes

An attempt was made to reset the session context, but the current thread was not the original one that set the session context.