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Article ID: 131802, created on Nov 21, 2017, last review on Jan 19, 2018

  • Applies to:
  • Operations Automation 7.0
  • Operations Automation 7.1


Office 365 synchronization fails:

Error: Value cannot be null. Parameter name: key

sitelog error can be either:

DEBUG sync: Role Company Administrator members:, ,
ERROR flow: Unable to prepare data for customer aa0f5193-a4f3-4aeb-b466-c0c3ba0861f0
System.ArgumentNullException: Value cannot be null.
Parameter name: key
    at System.Collections.Generic.Dictionary`2.FindEntry(TKey key)
    at System.Collections.Generic.Dictionary`2.ContainsKey(TKey key)
    at Parallels.Office365.Gateway.Graph.SyncHelperImplGraph.SetAdminRoles() in c:\inetpub\wwwroot\O365\App_Code\Graph\SyncHelperImplGRAPH.cs:line 138


DEBUG aps_endpoint: Company Administrator members loaded: 4.
ERROR aps_endpoint: Error occured during customer creation.
System.NullReferenceException: Object reference not set to an instance of an object.
at Parallels.Office365.Gateway.Import.CloudDataReader.<GetAdminLogin>b__5(User _) in c:\inetpub\wwwroot\O365App\App_Code\Import\CloudDataReader.cs:line 162
at System.Linq.Enumerable.FirstOrDefault[TSource](IEnumerable`1 source, Func`2 predicate)


"ObjectType": "ServicePrincipal" objects are returned upon synchronization request, but they cannot be processed.

This behavior has been reported to Odin Development team as request #APSA-19214: "synchronization error: "Error: Value cannot be null. Parameter name: key".


Please contact or TAM to trace the status of the request.

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