error creating a immersive Business process flow

When you give a name and choose the following

the errors pop up. Can any one resolve this issue.

Error identified in Payload provided by the user for Entity :'workflows', For more information on this error please follow this help link https://go.microsoft.com/fwlink/?linkid=2195293 ----> InnerException : Microsoft.OData.ODataException: An unexpected 'EndOfInput' node was found when reading from the JSON reader. A 'StartObject' node was expected. at Microsoft.OData.Json.JsonReaderExtensions.ValidateNodeType(IJsonReader jsonReader, JsonNodeType expectedNodeType) at Microsoft.OData.JsonLight.ODataJsonLightDeserializer.ReadPayloadStartImplementation(ODataPayloadKind payloadKind, PropertyAndAnnotationCollector propertyAndAnnotationCollector, Boolean isReadingNestedPayload, Boolean allowEmptyPayload) at Microsoft.OData.JsonLight.ODataJsonLightDeserializer.ReadPayloadStart(ODataPayloadKind payloadKind, PropertyAndAnnotationCollector propertyAndAnnotationCollector, Boolean isReadingNestedPayload, Boolean allowEmptyPayload) at Microsoft.OData.JsonLight.ODataJsonLightReader.ReadAtStartImplementation() at Microsoft.OData.ODataReaderCore.ReadImplementation() at Microsoft.OData.ODataReaderCore.InterceptException[T](Func`1 action) at System.Web.OData.Formatter.Deserialization.ODataReaderExtensions.ReadResourceOrResourceSet(ODataReader reader) at System.Web.OData.Formatter.Deserialization.ODataResourceDeserializer.Read(ODataMessageReader messageReader, Type type, ODataDeserializerContext readContext) at System.Web.OData.Formatter.ODataMediaTypeFormatter.ReadFromStream(Type type, Stream readStream, HttpContent content, IFormatterLogger formatterLogger).

Thanks in advance

JME