Error trying to create clone - Newtonsoft.Json.JsonSerializationException

DellyDelly United KingdonPosts: 8 New member
We recently updated our install of SQLClone to the most recent version (2.6.3.10515), after upgrading we realised we couldn't created clones anymore via the web front end. The error we're seeing in our error log is:

Could not get list of clones
Newtonsoft.Json.JsonSerializationException: Cannot create and populate list type System.Collections.Generic.IReadOnlyCollection`1[RedGate.SqlClone.Api.Clones.Expanded.CloneExpanded]. Path '', line 1, position 1.
   at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateNewList(JsonReader reader, JsonArrayContract contract, Boolean& createdFromNonDefaultCreator)
   at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateList(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, Object existingValue, String id)
   at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.Deserialize(JsonReader reader, Type objectType, Boolean checkAdditionalContent)
   at Newtonsoft.Json.JsonSerializer.DeserializeInternal(JsonReader reader, Type objectType)
   at System.Net.Http.Formatting.BaseJsonMediaTypeFormatter.ReadFromStream(Type type, Stream readStream, Encoding effectiveEncoding, IFormatterLogger formatterLogger)
   at System.Net.Http.Formatting.BaseJsonMediaTypeFormatter.ReadFromStream(Type type, Stream readStream, HttpContent content, IFormatterLogger formatterLogger)
   at System.Net.Http.Formatting.BaseJsonMediaTypeFormatter.ReadFromStreamAsync(Type type, Stream readStream, HttpContent content, IFormatterLogger formatterLogger)
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at System.Net.Http.HttpContentExtensions.<ReadAsAsyncCore>d__17`1.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at RedGate.SqlClone.Agent.ManagementServiceClient.JsonHttpClient.<Get>d__4`1.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at RedGate.SqlClone.Agent.Monitoring.CloneMonitor.<TryGetClones>d__12.MoveNext()

We have seen this problem before, but i'm unsure how we managed to get the Newtonsoft.Json.DLL updated in the windwos GAC, or what is reverting it back to its old version.
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