OTA API not working after upgrade from ALM 11 to 11.52.341

HelloI have some custom integrations with ALM using the OTA API. I had some code which would update the status of a test case in the testset.

The VB.NET code looks something like this

Try
                        If (some condition) Then
                            theTSTest.Status = "Passed"
                            theTSTest.Post()
                        Else
                            'theTSTest.Status = "Failed"
                            theTSTest.Post()
                        End If

End Try

This was working fine with my older version of ALM 11, QC 10, and QC 9. I installed the latest version 11.52.341 to make sure my code correctly but I am getting the follow error from ALM API

Field < Status > requires a value from the corresponding list

If I go to Tools -> Customize -> Project List -> Status, I see the following default values

Blocked

Failed

N/A

No Run

Not Complete

Passed

My piece of code should worked because the Status = Passed and Failed are valid values. In fact, if I enter a new status item 'Foo' in Tools -> Customize -> Project List -> Status and then adjust my code like this

theTSTest.Status = "Foo"

theTSTest.Post()

This works fine without any issues.

Seems like there is a bug withthe current version of ALM. Is there any workaround for this?

Thanks