I am working on project server 2019 the Timehseet API did not work here is the link of the apis and the test result with the postman

Question

    <?xml version="1.0" encoding="utf-8"?>
    <m:error xmlns:m="http://schemas.microsoft.com/ado/2007/08/dataservices/metadata">
        <m:code>-2146232060, Microsoft.SharePoint.SPException</m:code>
        <m:message xml:lang="fr-FR">Exception de HRESULT : 0x80131904</m:message>
    </m:error>

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