Bad request

Running compleateExecution on PreConfigured page i get an error

2021-06-17 11:18:07,964 [366] ERROR ZARZĄDZANIE NT\SYSTEM Terrasoft.Web.Common.ServiceModel.ErrorHandler HandleError - AssemblyQualifiedServiceName = [Terrasoft.Core.ServiceModel.ProcessEngineService, Terrasoft.Core.ServiceModel, Version=7.17.2.1728, Culture=neutral, PublicKeyToken=edaadfbc3b0bb879]

System.NullReferenceException: Object reference not set to an instance of an object.

   at Terrasoft.Core.ServiceModel.ProcessEngineService.GetSchemaParameterValues(UserConnection userConnection, BaseProcessSchemaElement baseSchemaElement, IEnumerable`1 completeParameters)

   at Terrasoft.Core.ServiceModel.ProcessEngineService.CompleteExecuting(CompleteExecutingRequest request)

   at SyncInvokeCompleteExecuting(Object , Object[] , Object[] )

   at System.ServiceModel.Dispatcher.SyncMethodInvoker.Invoke(Object instance, Object[] inputs, Object[]& outputs)

   at System.ServiceModel.Dispatcher.DispatchOperationRuntime.InvokeBegin(MessageRpc& rpc)

   at System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage5(MessageRpc& rpc)

   at System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage11(MessageRpc& rpc)

   at System.ServiceModel.Dispatcher.MessageRpc.Process(Boolean isOperationContextSet)

2021-06-17 11:18:26,697 [358] ERROR ZARZĄDZANIE NT\SYSTEM Terrasoft.Web.Common.ServiceModel.ErrorHandler ProvideFault - Object reference not set to an instance of an object.

System.NullReferenceException: Object reference not set to an instance of an object.

   at Terrasoft.Core.ServiceModel.ProcessEngineService.GetSchemaParameterValues(UserConnection userConnection, BaseProcessSchemaElement baseSchemaElement, IEnumerable`1 completeParameters)

   at Terrasoft.Core.ServiceModel.ProcessEngineService.CompleteExecuting(CompleteExecutingRequest request)

   at SyncInvokeCompleteExecuting(Object , Object[] , Object[] )

   at System.ServiceModel.Dispatcher.SyncMethodInvoker.Invoke(Object instance, Object[] inputs, Object[]& outputs)

   at System.ServiceModel.Dispatcher.DispatchOperationRuntime.InvokeBegin(MessageRpc& rpc)

   at System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage5(MessageRpc& rpc)

   at System.ServiceModel.Dispatcher.ImmutableDispatchRuntime.ProcessMessage11(MessageRpc& rpc)

   at System.ServiceModel.Dispatcher.MessageRpc.Process(Boolean isOperationContextSet)

2021-06-17 11:18:26,697 [358] ERROR ZARZĄDZANIE NT\SYSTEM Terrasoft.WebApp.FileWebEventProvider RaiseInternal - Date: 17.06.2021 11:18:26

Date (UTC): 17.06.2021 09:18:26

Exception Message: Object reference not set to an instance of an object.

Exception Type: System.ServiceModel.FaultException`1[System.NullReferenceException]

Exception Source: 

Exception Stack Trace:

SessionID: zl3nd5bqp5z5fgexzrdibnle

Request URL: /0/ServiceModel/ProcessEngineService.svc/CompleteExecuting

Request Path: /0/ServiceModel/ProcessEngineService.svc/CompleteExecuting

Request UrlReferrer: http://localhost:81/0/Nui/ViewModule.aspx

Request Type: POST

User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.106 Safari/537.36

User Host Address: ::1

User: Supervisor

Is Authenticated: True

Authentication Type: Forms

Is Secure Connection: False

Application Version: 7.17.2.1728

Application Path: C:\Creatio_7_17\Terrasoft.WebApp\

Application Virtual Path: /0

Application Trust Level: Full

Machine Name: DCG-249

Is Local: True

Process ID: 15220

Process Name: w3wp.exe

Process Account Name: ZARZĄDZANIE NT\SYSTEM

Thread Account Name: ZARZĄDZANIE NT\SYSTEM

OS Version: Microsoft Windows NT 10.0.19042.0

Net Framework Version: 4.0.30319.42000

DBExecutor Type: MSSqlExecutor







the request is: 

{collectExecutionData: true, processElementUId: "05ea0041-ae68-4465-a0d0-c7582ab6c03f"}

URL

http://localhost:81/0/ServiceModel/ProcessEngineService.svc/CompleteExe….



Any ideas?



Regards

Tomek