Sysprep error

Hi all,

I am trying to sysprep and capture an image with MDT but Sysprep is failing all the time:

Here is the setupact.log:

SYSPRP Sysprep_Clean_Validate_Opk: Audit mode can't be turned on if there is an active scenario.; hr = 0x800F0975
2019-12-18 17:19:28, Error                 SYSPRP ActionPlatform::LaunchModule: Failure occurred while executing 'Sysprep_Clean_Validate_Opk' from C:\Windows\System32\spopk.dll; dwRet = 0x975
2019-12-18 17:19:28, Error                 SYSPRP SysprepSession::Validate: Error in validating actions from C:\Windows\System32\Sysprep\ActionFiles\Cleanup.xml; dwRet = 0x975
2019-12-18 17:19:28, Error                 SYSPRP RunPlatformActions:Failed while validating Sysprep session actions; dwRet = 0x975
2019-12-18 17:19:28, Error      [0x0f0070] SYSPRP RunDlls:An error occurred while running registry sysprep DLLs, halting sysprep execution. dwRet = 0x975
2019-12-18 17:19:28, Error      [0x0f00d8] SYSPRP WinMain:Hit failure while pre-validate sysprep cleanup internal providers; hr = 0x80070975
2019-12-18 17:19:28, Info       [0x0f0052] SYSPRP Shutting down SysPrep log
2019-12-18 17:19:28, Info       [0x0f004d] SYSPRP The time is now 2019-12-18 17:19:28

Here is the MDT error screen:

I see a lot of posts about spopk.dll but it seems to be fixed in the latest CU 1903 update, besides I am imaging Win10 1909 with the December CU installed