E_DAO_SingleColumnExpected

Code: 0x800a0cea (2148142314)

As HRESULT:

S: 1 (Failure)
C: 0 (Microsoft-defined)
N: 0 (Not an NTSTATUS value)
Facility: 0x00a (FACILITY_CONTROL: Control mechanism)
Code: 0x0cea (3306)

As NTSTATUS:

Sev: 2 (STATUS_SEVERITY_WARNING)
C: 0 (Microsoft-defined)
Facility: 0x00a (FACILITY_TERMINAL_SERVER: Windows Terminal Server)
Code: 0x0cea (3306)

Abstract

At most one field can be returned from a subquery that doesn't use the EXISTS keyword.