The complete error is:
[System.Exception] Import 'C:\D1IM\Transports\Transport_MSSQL_TRANSPORTNAME.zip' failed.
[810164] Object referenced from table DialogGroup not found (Key: <Key><Table Name="DialogGroup" Display="CCCEditPermissions" Key="CCC-0DECFDD3D8D16340A20474165270B726"><Prop Name="UID_DialogGroup"><Value>CCC-0DECFDD3D8D16340A20474165270B726</Value></Prop></Table></Key>).
at VI.Transport.Transport.SaveToDatabase(TransportParts tParts)
at VI.Transport.TagTransport._ImportTags(TransportTaskArguments args)
at VI.Transport.TagTransport._ImportTag(String strTagPath, TransportParts tParts)
at VI.Transport.ObjectCollection.Save(ISession session)
at VI.Base.SyncActions.Do[T](Func`1 function)
at System.Threading.Tasks.Task`1.GetResultCore(Boolean waitCompletionNotification)
---- Start of Inner Exception ----
at VI.DB.Entities.Transport.TransportFormatConversion.<GetEntityGraphAsync>d__61.MoveNext()
at System.Runtime.CompilerServices.ConfiguredTaskAwaitable`1.ConfiguredTaskAwaiter.GetResult()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
--- End of stack trace from previous location where exception was thrown ---
at VI.Base.TaskExtensions.<SelectAsync>d__4`2.MoveNext()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
--- End of stack trace from previous location where exception was thrown ---
at VI.DB.Entities.Transport.TransportFormatConversion.<>c__DisplayClass5c.<<GetEntityGraphAsync>b__47>d__5e.MoveNext()
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
--- End of stack trace from previous location where exception was thrown ---
at VI.DB.Entities.Transport.TransportFormatConversion.<_GetEntityAsync>d__82.MoveNext()