Не получается Открыть страницу выбора из справочника

OpenCardTypePageUserTask.ProcessKey = InstanceUId;
OpenCardTypePageUserTask.PageParameters = new Dictionary <string, object>();
var pageParameters = (Dictionary <string, object>)OpenCardTypePageUserTask.PageParameters;
pageParameters.Add("schemaUId", "F1E86D1A-DB06-4D92-859B-81B2E90FC5FB");
pageParameters.Add("useHierarchy", false);
pageParameters.Add("customClosedEvent", "LookupClosed");
pageParameters.Add("multiSelectMode", false);
if (OldCardTypeId != Guid.Empty) {
	var filters = new Collection<Dictionary<string, object>>();
	filters.Add(new Dictionary<string, object> { 
		{"comparisonType", FilterComparisonType.Equal}, 
		{"leftExpressionColumnPath", "CardType.Id"},
		{"useDisplayValue", false}, 
		{"rightExpressionParameterValues", new object[] {OldCardTypeId}}});                                                              
	pageParameters.Remove("LookupFilters");
	pageParameters.Add("LookupFilters", filters);
}
 
return true;

var selectedStatusesIds = (Dictionary <string, object>)OpenCardTypePageUserTask.GetSelectedValues(UserConnection); 
if (selectedStatusesIds.Count == 0) {
	return false;	
}
Inner_CardCategory = new Guid(selectedStatusesIds.First().Key);
return true;

pageParameters.Add("useHierarchy", false);

pageParameters.Add("multiSelectMode", false);

pageParameters.Add("customClosedEvent", "LookupClosed");

OpenUserTaskSenderMailing.ProcessKey = InstanceUId;
OpenUserTaskSenderMailing.UseCurrentActivePage  = true;
OpenUserTaskSenderMailing.PageParameters = new Dictionary <string, object>();
var pageParameters = (Dictionary <string, object>)OpenUserTaskSenderMailing.PageParameters;
pageParameters.Add("schemaUId", "22C06297-4508-4E5D-9362-4909CF8156CB");
pageParameters.Add("customClosedEvent", "LookupClosed");
return true;

var manager = UserConnection.GetSchemaManager("EntitySchemaManager") as EntitySchemaManager;
SetMassMailingStatus(MassMailingId, new Guid("ED5F422E-F46B-1410-6590-1C6F65E24BE8"), 
	manager, this.UId, "StartDateTime");//В работе
 
//GetCurrentUserEmail();
var values = (Dictionary <string, object>)OpenUserTaskSenderMailing.GetSelectedValues(UserConnection);
 if (values.Count == 0) {
	return true;
}
 
var EmailFromId = new Guid(values.First().Key);
 
//var EmailFromId = new Guid(EmailFromId);
string EmailFrom = "";
Select select = new Select(UserConnection)
.Column("Name")
.From("SenderMailing")
.Where("Id").IsEqual(EmailFromId.ToString()) as Select;
 
PrepareMailSubjectAndBody(manager);
 
var targetEntitySchemaQuery = new EntitySchemaQuery(manager, "MassMailingContact");
var idMailing = targetEntitySchemaQuery.AddColumn("Id").Name;
var EmailOfMailing = targetEntitySchemaQuery.AddColumn("EmailAddress").Name;
var idContactOfMailing = targetEntitySchemaQuery.AddColumn("Contact.Id").Name;
var contactNameOfMailing = targetEntitySchemaQuery.AddColumn("Contact.Name").Name;
var accountIdOfMailing = targetEntitySchemaQuery.AddColumn("Account.Id").Name;
var accountNameOfMailing = targetEntitySchemaQuery.AddColumn("Account.Name").Name;
var ownerOfMailing = targetEntitySchemaQuery.AddColumn("MassMailing.Owner.Id").Name;
string campaignColName = targetEntitySchemaQuery.AddColumn("MassMailing.Campaign.Id").Name;
 
targetEntitySchemaQuery.Filters.Add(targetEntitySchemaQuery.CreateFilterWithParameters(FilterComparisonType.Equal, "MassMailing.Id", MassMailingId));
var listFilter = new EntitySchemaQueryFilterCollection(targetEntitySchemaQuery, LogicalOperationStrict.Or);
listFilter.Add(targetEntitySchemaQuery.CreateIsNullFilter("SendStatus"));
listFilter.Add(targetEntitySchemaQuery.CreateFilterWithParameters(FilterComparisonType.NotEqual, "SendStatus", new Guid("8074FFC0-6107-E011-A646-16D83CAB0980")));
targetEntitySchemaQuery.Filters.Add(listFilter);
var mailingCollection = targetEntitySchemaQuery.GetEntityCollection(UserConnection);
 
var macrosDictionary = new Dictionary<string,string>();
var activityRecipients = string.Empty;
var processUserTaskManager = UserConnection.ProcessUserTaskSchemaManager;
var userTaskSchema = (ProcessUserTaskSchema)processUserTaskManager.FindInstanceByName("SendEmailUserTask");
 
MacrosHelper.UserConnection = UserConnection;
 
foreach (var mailingMacros in mailingCollection) {
	Guid campaignId = mailingMacros.GetTypedColumnValue<Guid>(campaignColName);
	Guid targetId = mailingMacros.GetTypedColumnValue<Guid>(idMailing);
	string recepient = mailingMacros.GetTypedColumnValue<string>(EmailOfMailing);
	Guid contactId = mailingMacros.GetTypedColumnValue<Guid>(idContactOfMailing);
	string contactName = mailingMacros.GetTypedColumnValue<string>(contactNameOfMailing);
	Guid accountId = mailingMacros.GetTypedColumnValue<Guid>(accountIdOfMailing);
	string accountName = mailingMacros.GetTypedColumnValue<string>(accountNameOfMailing);
	Guid ownerId = mailingMacros.GetTypedColumnValue<Guid>(ownerOfMailing);
 
	string htmlBody = MacrosHelper.ProcessText(MailBody, UserConnection.CurrentUser.ContactId, 
		contactId, accountId);	
	if (accountId != Guid.Empty) {
		activityRecipients = GetActivityResipients(accountName, recepient);
	} else if (contactId != Guid.Empty) {
		activityRecipients = GetActivityResipients(contactName, recepient);
	}	
	var activitySchema = manager.GetInstanceByName("Activity");
	var activity = activitySchema.CreateEntity(UserConnection);
	activity.SetDefColumnValues();
	activity.SetColumnValue("TypeId", new Guid("E2831DEC-CFC0-DF11-B00F-001D60E938C6")); // Email
	activity.SetColumnValue("Sender", EmailFrom);
	activity.SetColumnValue("Recepient", activityRecipients);
	activity.SetColumnValue("Title", MailSubject);
	activity.SetColumnValue("HtmlBody", htmlBody);
	activity.SetColumnValue("StartDate", DateTime.UtcNow);
	activity.SetColumnValue("DueDate", DateTime.UtcNow);
	activity.SetColumnValue("OwnerId", ownerId);
	activity.SetColumnValue("AuthorId", UserConnection.CurrentUser.ContactId);
	activity.SetColumnValue("StatusId", new Guid("4BDBB88F-58E6-DF11-971B-001D60E938C6")); // Finished
	activity.SetColumnValue("ResultId", new Guid("FB7D22DA-F36B-1410-E19F-1C6F65E9F927")); // Done
	activity.SetColumnValue("ShowInScheduler", false);
 
	if (campaignId != Guid.Empty)
	{
		activity.SetColumnValue("CampaignId", campaignId);
	}
 
	if (accountId != Guid.Empty) {
		activity.SetColumnValue("AccountId", accountId);
	} else if (contactId != Guid.Empty) {
		activity.SetColumnValue("ContactId", contactId);
	}
	activity.SetColumnValue("MassMailingId", MassMailingId);
	activity.Save();
 
	CopyAttachmentsToActivity(MassMailingId, activity.PrimaryColumnValue);		
 
	var userTask = (SendEmailUserTask)userTaskSchema.CreateProcessUserTask(UserConnection);
	userTask.ActivityId = activity.PrimaryColumnValue;
	userTask.Execute(context);
	ErrorCode = userTask.SendEmailStatus;
	SetMassMailingContactSendStatus(ErrorCode, targetId, manager);
}
 
SetMassMailingStatus(MassMailingId, new Guid("FF7F4232-F46B-1410-6690-1C6F65E24BE8"), manager, 
	Guid.Empty, "EndDateTime");//Завершена
 
return true;