Error -2147467259 when using API to Logout

[al_g]

I'm using the Teststand API to call Login and Logout from LabVIEW. The login process works correctly and I am able to read the current user information after a succesful login, but when I call Logout I receive error -2147467259 which has a description of:

0x80004005) Unspecified error.
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NI System Configuration: Miscellaneous operation failure.