Existing Acc a=acc code fails after upgrade to 2.3.3.7

[JohnAnson]

After upgrading from QM v2.3.2.8 one of my functions that was working in QM 2.3.3.7 fails.
The function triggers when the Word 2010 "Enter Password to open file" dialog window opens.
The code is below.
The error occurs on the Acc a=acc... line:
Error (RT) in WordDocPassword: object not found.
Is this expected?

Function WordDocPassword
Trigger !ca"Password" "bosa_sdm_msword"     

Code:

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int hwnd=val(_command)
act hwnd

wait 0.5

if GetMod <>0; ret ;; If any modifier key down
;msg GetMod
if win <> hwnd; ret ;; If dialog no longer active

;Get the filename from the Password dialog
Acc a=acc("" "STATICTEXT" win("Password" "bosa_sdm_msword") "bosa_sdm_msword" "" 0x1001)