According to your description, could you provide the details of .xml file that executed with ODT? So that to check this issue better.
More information about the .xml settings is available here: Configuration options for the Office Deployment Tool. It also applies to Office Standard 2019.
For the detailed steps about deploying Office 2019 please refer to here. And please ensure to download the latest version of ODT.
Hope the information is helpful to you, any updates, please let me know.
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