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Customer experience | Sales, Customer Insights,...
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Request for the permission of type 'System.Security.Permissions.ReflectionPermission, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e08' failed.

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I am getting below error, i have create workflow activity and i have registered it in sandbox but when it execute it, it is giving error

Request for the permission of type 'System.Security.Permissions.ReflectionPermission, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e08' failed.

Stack Trace:

on System.Delegate.DelegateConstruct(Object target, IntPtr slot)

on Newtonsoft.Json.Utilities.LateBoundReflectionDelegateFactory.CreateParametrizedConstructor(MethodBase method)
on Newtonsoft.Json.Serialization.JsonObjectContract.set_ParametrizedConstructor(ConstructorInfo value)
on Newtonsoft.Json.Serialization.DefaultContractResolver.CreateObjectContract(Type objectType)
on Newtonsoft.Json.Serialization.DefaultContractResolver.CreateContract(Type objectType)
on Newtonsoft.Json.Serialization.DefaultContractResolver.ResolveContract(Type type)
on Newtonsoft.Json.Serialization.JsonSerializerInternalReader.GetContractSafe(Type type)
on Newtonsoft.Json.Serialization.JsonSerializerInternalReader.PopulateList(IList list, JsonReader reader, JsonArrayContract contract, JsonProperty containerProperty, String id)
on Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateList(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, Object existingValue, String id)
on Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateValueInternal(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue)
on Newtonsoft.Json.Serialization.JsonSerializerInternalReader.SetPropertyValue(JsonProperty property, JsonConverter propertyConverter, JsonContainerContract containerContract, JsonProperty containerProperty, JsonReader reader, Object target)
on Newtonsoft.Json.Serialization.JsonSerializerInternalReader.PopulateObject(Object newObject, JsonReader reader, JsonObjectContract contract, JsonProperty member, String id)
on Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateObject(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue)
on Newtonsoft.Json.Serialization.JsonSerializerInternalReader.CreateValueInternal(JsonReader reader, Type objectType, JsonContract contract, JsonProperty member, JsonContainerContract containerContract, JsonProperty containerMember, Object existingValue)
on Newtonsoft.Json.Serialization.JsonSerializerInternalReader.Deserialize(JsonReader reader, Type objectType, Boolean checkAdditionalContent)
on Newtonsoft.Json.JsonSerializer.DeserializeInternal(JsonReader reader, Type objectType)
on Newtonsoft.Json.JsonSerializer.Deserialize(JsonReader reader, Type objectType)
on Newtonsoft.Json.JsonConvert.DeserializeObject(String value, Type type, JsonSerializerSettings settings)
on Newtonsoft.Json.JsonConvert.DeserializeObject[T](String value, JsonSerializerSettings settings)
on Newtonsoft.Json.JsonConvert.DeserializeObject[T](String value)
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  • Suggested answer
    Ray Profile Picture
    1,537 on at
    RE: Request for the permission of type 'System.Security.Permissions.ReflectionPermission, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e08' failed.

    Have you tried to upgrade the version of Newtonsoft.Json? 

  • Ray Profile Picture
    1,537 on at
    RE: Request for the permission of type 'System.Security.Permissions.ReflectionPermission, mscorlib, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e08' failed.

    another possible reason is that some network request uses http (ip) rather than https (domain).

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