3411774 - DM - Issues with taxonomy and XBRL Mapper after upgrading to Stack 2100

After upgrading to Stack 2100, you face a number of issues with taxonomy files and/or Mapper

1. The XBRL taxonomy chapter in the instance cannot be opened 

2. The entry point shows 'Unpopulated'

3. The XBRL Mapper does not start

In the application server log, you see errors related to entry-point

E.g.

2023-12-08 12:25:19.1133 [25] [ERROR] ==> 
-------- Begin --------
ErrorID: 4c02e889-3446-429b-9daa-66e8a13ee363
Message: No staging entry point found for id = 909
Source: cundus.enterpriseReporting.Data
Stack trace:    at cundus.enterpriseReporting.Data.SqlXBRLRepository.GetXBRLStagingEntryPointByEntryPointId(Int32 entryPointId) in c:\701\w\5nevci77oj\gen\tmp\src\cundus.enterpriseReporting.Data\DataAccess\SqlServer\SqlXBRLRepository.cs:line 350
   at cundus.enterpriseReporting.Web.Controllers.ReportController.GetXBRLTaxonomies(Int32 id) in c:\701\w\5nevci77oj\gen\tmp\src\cundus.enterpriseReporting.Web\Controllers\Partial Classes\Report\XBRL.cs:line 524
-------- End --------

2023-12-11 10:55:38.9647 [19] [ERROR] ==> 
-------- Begin --------
ErrorID: dd27c345-410e-4174-bcd8-90381beae4f8
Message: Object reference not set to an instance of an object.
Source: cundus.enterpriseReporting.Services
Stack trace:    at cundus.enterpriseReporting.Services.ReportService.GetEntryPointStatusByChapter(Int32 chapterId)
   at cundus.enterpriseReporting.Web.Controllers.API.XBRL.XBRLChapterInfosController.Get(Int32 id)
   at lambda_method(Closure , Object , Object[] )
   at System.Web.Http.Controllers.ReflectedHttpActionDescriptor.ActionExecutor.<>c__DisplayClass6_2.<GetExecutor>b__2(Object instance, Object[] methodParameters)
   at System.Web.Http.Controllers.ReflectedHttpActionDescriptor.ExecuteAsync(HttpControllerContext controllerContext, IDictionary`2 arguments, CancellationToken cancellationToken)
--- End of stack trace from previous location where exception was thrown ---

Disclosure Management 10.1 Stack 2100

500 internal error , KBA , EPM-DSM-GEN , DM core functionalities , Problem