• Constant error in Workflow server log

    The Workflow server Log constantly reports the following error in the log:


    Cannot switch to next tasks.

    Additional information:

    object_type : Org_Rt_Process_AUTOINDEX

    event_type : Open

    Code location - full exception trace : Waitable object already created.

       at DocuWare.Workflow.ProcessServer.WorkflowSemaphore.Lock(Guid wfSettingsGuid, WorkflowStartRestrictions restrictions)

       at DocuWare.Workflow.ProcessServer.ProcessStatusController.LockStartRestrictions()

       at DocuWare.Workflow.ProcessServer.ProcessStatusController.SetStatus(ProcessStatus status)

       at DocuWare.Workflow.ProcessServer.WorkflowHandler.AddTaskHandler(Task task)

       at DocuWare.Workflow.ProcessServer.WorkflowHandler.AddNextTaskHandlers(UIntCollection nextTaskIds)

       at DocuWare.Workflow.ProcessServer.WorkflowHandler.PutNextTasks(List`1 tasks)

    Additional text :


                1) Exception Information


                Exception Type: DocuWare.Common.Exceptions.DWResultException

                MessageID: Waitable object already created.

                MessageParameters: NULL

                MachineName: AL200235323S

                CreatedDateTime: 19/11/2018 3:39:52 p. m.

                AppDomainName: DWWorkflowServer.exe


                WindowsIdentityName: AL200235323S\docuware

                DWUserLogLevel: Unknown

                TranslatedMessage: Waitable object already created.

                Message: Waitable object already created.

                TargetSite: Void Lock(System.Guid, DocuWare.Workflow.Settings.WorkflowStartRestrictions)

                HResult: -2146232832

    Logging Level : Error

    Message Text : Cannot switch to next tasks.

    Assembly : DocuWare.Workflow.ProcessServer, Version=, Culture=neutral, PublicKeyToken=879da714589ba9ea

    Code location - calling class : WorkflowHandler

    Code location - calling method : Void PutNextTasks(System.Collections.Generic.List`1[DocuWare.Workflow.ProcessServer.TaskHandler])

    Computer name : AL200235323S

    Date : 2018/11/19

    Time : 3:39:52 p. m.

    DocuWare.Common.Logging.TimeMS : 50

    Application : DWWorkflowServer

    Thread ID : 195

    Windows ID : AL200235323S\docuware


    I have already reinstalled the workflow server, but it did not work. What can I review?

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