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Unable to EDIT or RUN new or updated flows in PAD. Correlation error displayed (see description)

Posted on by 4
I have been an avid PAD user for over 2 years and recently encountered an issue where the program prevents me from editing or running flows which are NEW (I can create a new flow, run that flow, and save that flow, but when I try to subsequently open it, I get a correlation error with the message:  "Exception message: Cannot create and populate list type System.Collections.Generic.IReadOnlyList`1[Microsoft.Flow.RPA.Desktop.Shared.Clients.DataClients.Entities.ConnectionReference]. Path '', line 1, position 1.
HResult: -2146233088"
I can open any OLD flow without issue, but if I then make ANY change to that flow and save it, it fails to open and returns the same exception message. 
 
How can I determine the exact cause of the failure and resolve?
 
I have uninstalled and reinstalled PAD with no improvement...  also, I have PAD installed on an application server where there is NO problem opening and editing any flow, including flows that are giving an exception on my local machine.
 
Thank you in advance for any help...
  • DavePADUser Profile Picture
    DavePADUser 4 on at
    Unable to EDIT or RUN new or updated flows in PAD. Correlation error displayed (see description)
    I created the LOG files to track what is going wrong - the "exception is thrown" shows up at line 288 of the PADDesigner log file:
     
    {"activityId":"d15fd1d3-9bed-473d-88d0-8168b96f8fb4","agentClientId":"3XR+joIWUvIrX4TmNmqq+ehfmqCYNUyQ","clientRequestId":"","clientSessionId":"25a378f3-47a4-43a8-bdba-824fd7d0c96d","component":"PadDesigner","correlationId":"d15fd1d3-9bed-473d-88d0-8168b96f8fb4","durationInMilliseconds":423,"environmentName":"Default-5ef523dd-e93d-43b9-bfc1-6e210e909974","event":"dataverseschemav2datalayer.getpartialpackage.failure","eventData":{"azureRegionInfo":{"cloud":"tip0","geo":"unitedstates","region":"westus"},"agentVersion":"2.47.00175.24239","executionInfo":{"contextId":0,"is64BitProcess":true,"processName":"PAD.Designer","sessionId":1,"threadId":0},"httpStatusCode":0,"machineInfo":{"netVersion":"4.0.30319.42000","physicalMemoryMB":32540,"physicalFreeMemoryMB":22341,"processorCount":12,"screenInfo":[{"dpi":100,"height":1080,"isPrimary":true,"width":1920},{"dpi":100,"height":1200,"isPrimary":false,"width":1920}],"cpuLoad":16,"memoryLoad":31,"windowsProductName":"Windows 10 Enterprise"},"machineRegistrationInfo":{"registrationDetails":{"id":"","machineGroupId":"","registrationState":"Unregistered"},"runEnvironmentDetails":{}},"localeInfo":{"appLocale":"en-US"},"osInfo":{"architecture":"Win32NT","buildNumber":"19045","editionId":"Enterprise","is64Bit":true,"isInsidersEnabled":false,"locale":"en-US","name":"Microsoft Windows NT 10.0.19045.0","releaseId":"2009","ring":"Retail","ubr":"4894","version":"10.0.19045.0"},"padFlowInfo":{"activeLogScenarios":["application.designer.start"],"debuggerPictureInPictureIsEnabled":false,"environmentInfo":{"isFlowSigningEnabled":false,"isPayAsYouGo":false,"usesNewSchema":true,"newSchemaSolutionIsValid":true},"event":"dataverseschemav2datalayer.getpartialpackage.failure","flowId":"9e756218-f80b-4b7b-b865-724ba99dd3d9","flowSchema":"V2","isExampleWorkFlow":false,"isCopilotWorkflow":false,"isProcessInsights":false,"parentCorrelationId":"32bb1bf8-34aa-4ed3-afdf-805165071143","servicePlanInfo":{"hasTrialExpiredRpaServicePlan":false,"servicePlanStatus":"Active","servicePlanType":"Trial"}},"padInfo":{"installationInfo":{"installationType":"Msi"},"verboseLoggingInfo":{"isEnabled":true},"appIsRunningAsAdministrator":false},"processInfo":{"handleCount":1114,"memoryWorkingSetMB":206,"peakMemoryWorkingSetMB":208,"cpuLoad":4,"startTime":"2024-09-30T13:53:53.5862751Z"}},"eventDataSchemaVersion":"1.0","eventTimestamp":"2024-09-30T13:53:58.3915932Z","eventType":"NotSpecified","exception":"Newtonsoft.Json.JsonSerializationException: Cannot create and populate list type System.Collections.Generic.IReadOnlyList`1[Microsoft.Flow.RPA.Desktop.Shared.Clients.DataClients.Entities.ConnectionReference]. Path '', line 1, position 1.\r\n   at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateNewList(JsonReader reader, JsonArrayContract contract, Boolean& createdFromNonDefaultCreator)\r\n   at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateList(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, Object existingValue, String id)\r\n   at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateValueInternal(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue)\r\n   at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.Deserialize(JsonReader reader, Type objectType, Boolean checkAdditionalContent)\r\n   at Newtonsoft.Json.JsonSerializer.DeserializeInternal(JsonReader reader, Type objectType)\r\n   at Newtonsoft.Json.JsonConvert.DeserializeObject(String value, Type type, JsonSerializerSettings settings)\r\n   at Microsoft.Flow.RPA.Desktop.Shared.Clients.DataClients.Cds.Converters.JsonStringConverter.ReadJson(JsonReader reader, Type objectType, Object existingValue, JsonSerializer serializer)\r\n   at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.DeserializeConvertable(JsonConverter converter, JsonReader reader, Type objectType, Object existingValue)\r\n   at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.SetPropertyValue(JsonProperty property, JsonConverter propertyConverter, JsonContainerContract containerContract, JsonProperty containerProperty, JsonReader reader, Object target)\r\n   at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.PopulateObject(Object newObject, JsonReader reader, JsonObjectContract contract, JsonProperty member, String id)\r\n   at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateObject(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue)\r\n   at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateValueInternal(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue)\r\n   at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.Deserialize(JsonReader reader, Type objectType, Boolean checkAdditionalContent)\r\n   at Newtonsoft.Json.JsonSerializer.DeserializeInternal(JsonReader reader, Type objectType)\r\n   at Newtonsoft.Json.JsonConvert.DeserializeObject(String value, Type type, JsonSerializerSettings settings)\r\n   at Newtonsoft.Json.JsonConvert.DeserializeObject[T](String value, JsonSerializerSettings settings)\r\n   at System.Threading.Tasks.Task`1.InnerInvoke()\r\n   at System.Threading.Tasks.Task.Execute()\r\n--- End of stack trace from previous location where exception was thrown ---\r\n   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()\r\n   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)\r\n   at Microsoft.Flow.RPA.Desktop.Shared.Clients.DataClients.Cds.Extensions.HttpResponseMessageExtensions.<ToJsonApiResponseAsync>d__0`1.MoveNext()\r\n--- End of stack trace from previous location where exception was thrown ---\r\n   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()\r\n   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)\r\n   at Microsoft.Flow.RPA.Desktop.Shared.Clients.DataClients.Cds.Http.CdsHttpClientWrapper.<GetResponseAndReadJsonAsync>d__21`1.MoveNext()\r\n--- End of stack trace from previous location where exception was thrown ---\r\n   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()\r\n   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)\r\n   at Microsoft.Flow.RPA.Desktop.Shared.Clients.DataClients.Cds.Http.CdsHttpClient.<GetWorkflowSchemaV2ByIdAsync>d__96.MoveNext()\r\n--- End of stack trace from previous location where exception was thrown ---\r\n   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()\r\n   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)\r\n   at Microsoft.Flow.RPA.Desktop.Shared.Clients.DataClients.Cds.Adapters.DataLayers.SchemaV2DataLayer.<GetPackageInnerAsync>d__37.MoveNext()","exceptionHResult":-2146233088,"exceptionStackTrace":"   at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateNewList(JsonReader reader, JsonArrayContract contract, Boolean& createdFromNonDefaultCreator)\r\n   at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateList(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, Object existingValue, String id)\r\n   at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateValueInternal(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue)\r\n   at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.Deserialize(JsonReader reader, Type objectType, Boolean checkAdditionalContent)\r\n   at Newtonsoft.Json.JsonSerializer.DeserializeInternal(JsonReader reader, Type objectType)\r\n   at Newtonsoft.Json.JsonConvert.DeserializeObject(String value, Type type, JsonSerializerSettings settings)\r\n   at Microsoft.Flow.RPA.Desktop.Shared.Clients.DataClients.Cds.Converters.JsonStringConverter.ReadJson(JsonReader reader, Type objectType, Object existingValue, JsonSerializer serializer)\r\n   at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.DeserializeConvertable(JsonConverter converter, JsonReader reader, Type objectType, Object existingValue)\r\n   at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.SetPropertyValue(JsonProperty property, JsonConverter propertyConverter, JsonContainerContract containerContract, JsonProperty containerProperty, JsonReader reader, Object target)\r\n   at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.PopulateObject(Object newObject, JsonReader reader, JsonObjectContract contract, JsonProperty member, String id)\r\n   at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateObject(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue)\r\n   at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateValueInternal(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue)\r\n   at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.Deserialize(JsonReader reader, Type objectType, Boolean checkAdditionalContent)\r\n   at Newtonsoft.Json.JsonSerializer.DeserializeInternal(JsonReader reader, Type objectType)\r\n   at Newtonsoft.Json.JsonConvert.DeserializeObject(String value, Type type, JsonSerializerSettings settings)\r\n   at Newtonsoft.Json.JsonConvert.DeserializeObject[T](String value, JsonSerializerSettings settings)\r\n   at System.Threading.Tasks.Task`1.InnerInvoke()\r\n   at System.Threading.Tasks.Task.Execute()\r\n--- End of stack trace from previous location where exception was thrown ---\r\n   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()\r\n   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)\r\n   at Microsoft.Flow.RPA.Desktop.Shared.Clients.DataClients.Cds.Extensions.HttpResponseMessageExtensions.<ToJsonApiResponseAsync>d__0`1.MoveNext()\r\n--- End of stack trace from previous location where exception was thrown ---\r\n   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()\r\n   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)\r\n   at Microsoft.Flow.RPA.Desktop.Shared.Clients.DataClients.Cds.Http.CdsHttpClientWrapper.<GetResponseAndReadJsonAsync>d__21`1.MoveNext()\r\n--- End of stack trace from previous location where exception was thrown ---\r\n   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()\r\n   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)\r\n   at Microsoft.Flow.RPA.Desktop.Shared.Clients.DataClients.Cds.Http.CdsHttpClient.<GetWorkflowSchemaV2ByIdAsync>d__96.MoveNext()\r\n--- End of stack trace from previous location where exception was thrown ---\r\n   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()\r\n   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)\r\n   at Microsoft.Flow.RPA.Desktop.Shared.Clients.DataClients.Cds.Adapters.DataLayers.SchemaV2DataLayer.<GetPackageInnerAsync>d__37.MoveNext()","exceptionType":"Newtonsoft.Json.JsonSerializationException","installationType":"Msi","message":"dataverseschemav2datalayer.getpartialpackage.failure","operationName":"SchemaV2DataLayer.GetPartialPackageAsync","principalOid":"ab111c1b-a060-406c-aff8-a658894a5ee8","principalPuid":"10037FFE9C26C828","schemaVersion":"1.0","scriptId":"9e756218-f80b-4b7b-b865-724ba99dd3d9","tenantId":"5ef523dd-e93d-43b9-bfc1-6e210e909974","traceLevel":"Error","version":"2.47.00175.24239","isRequiredLogEvent":true,"roleInfo":{"geo":"unitedstates","region":"westus","environment":"tip0"}}

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