IIS 10 服务器出现错误 500.19

Question

我有一个在 Net 3.5 中运行的 Web 服务（我知道，它太旧了），我将它迁移到 Net 4.6。我在本地完成了迁移，但当我在服务器中部署 Web 服务时，我收到 500.19 错误。我查看了日志事件、跟踪、web.config……但我搞不清楚。你能帮我吗？请向我询问您需要的任何额外信息，如日志、跟踪、规范、web.config……非常感谢

请求追踪失败

<failedRequest url="https://webservices.XXXXXXXX.com:443/PRoject/Project.svc/get/?number=12345678"
               siteId="1570333581"
               appPoolId="webservices_apppool"
               processId="2644"
               verb="GET"
               authenticationType="NOT_AVAILABLE"               activityId="{80000054-0000-F100-B63F-84710C7967BB}"
               failureReason="STATUS_CODE"
               statusCode="500.19"
               triggerStatusCode="500.19"
               timeTaken="0"
               xmlns:freb="http://schemas.microsoft.com/win/2006/06/iis/freb"
               >
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
 <System>
  <Provider Name="WWW Server" Guid="{3A2A4E84-4C21-4981-AE10-3FDA0D9B0F83}"/>
  <EventID>0</EventID>
  <Version>1</Version>
  <Level>0</Level>
  <Opcode>1</Opcode>
  <Keywords>0x0</Keywords>
  <TimeCreated SystemTime="2023-05-31T11:54:31.713Z"/>
  <Correlation ActivityID="{80000054-0000-F100-B63F-84710C7967BB}"/>
  <Execution ProcessID="2644" ThreadID="3212"/>
  <Computer>hostname</Computer>
 </System>
 <EventData>
  <Data Name="ContextId">{80000054-0000-F100-B63F-84710C7967BB}</Data>
  <Data Name="SiteId">1570333581</Data>
  <Data Name="AppPoolId">webservices_apppool</Data>
  <Data Name="ConnId">1610612819</Data>
  <Data Name="RawConnId">0</Data>
  <Data Name="RequestURL">https://webservices.XXXXX.com:443/Project/Project.svc/get/?number=12345678</Data>
  <Data Name="RequestVerb">GET</Data>
 </EventData>
 <RenderingInfo Culture="en-US">
  <Opcode>GENERAL_REQUEST_START</Opcode>
 </RenderingInfo>
 <ExtendedTracingInfo xmlns="http://schemas.microsoft.com/win/2004/08/events/trace">
  <EventGuid>{D42CF7EF-DE92-473E-8B6C-621EA663113A}</EventGuid>
 </ExtendedTracingInfo>
</Event>