Bug: Handlebars planner fails to create plan

[Barshan-Mandal]

var plan = await planner.CreatePlanAsync(kernel, "get the current date and time"); throws the error below:

System.Text.Json.JsonException HResult=0x80131500 Message=The JSON value could not be converted to System.String. Path: $ | LineNumber: 0 | BytePositionInLine: 1. Source=System.Text.Json StackTrace: at System.Text.Json.ThrowHelper.ReThrowWithPath(ReadStack& state, Utf8JsonReader& reader, Exception ex) at System.Text.Json.Serialization.JsonConverter1.ReadCore(Utf8JsonReader& reader, JsonSerializerOptions options, ReadStack& state)
at System.Text.Json.JsonSerializer.ReadFromSpan[TValue](ReadOnlySpan1 utf8Json, JsonTypeInfo1 jsonTypeInfo, Nullable1 actualByteCount) at System.Text.Json.JsonSerializer.Deserialize[TValue](JsonElement element, JsonSerializerOptions options) at Microsoft.SemanticKernel.Planning.Handlebars.KernelParameterMetadataExtensions.ParseJsonSchema(KernelParameterMetadata parameter) at Microsoft.SemanticKernel.Planning.Handlebars.HandlebarsPlanner.SetComplexTypeDefinition(KernelParameterMetadata parameter, HashSet1 complexParameterTypes, Dictionary2 complexParameterSchemas) at Microsoft.SemanticKernel.Planning.Handlebars.HandlebarsPlanner.GetAvailableFunctionsManual(IEnumerable1 availableFunctions, HashSet1& complexParameterTypes, Dictionary2& complexParameterSchemas)
at Microsoft.SemanticKernel.Planning.Handlebars.HandlebarsPlanner.d__5.MoveNext()
at Microsoft.SemanticKernel.Planning.PlannerInstrumentation.d__4`2.MoveNext()
at phi3vision_aiconsole.Program.d__1.MoveNext() in O:\Windows For Programming\Projects\Visual Studio\Console\Ai\phi3vision_aiconsole\Program.cs:line 87
at phi3vision_aiconsole.Program.

d__0.MoveNext() in O:\Windows For Programming\Projects\Visual Studio\Console\Ai\phi3vision_aiconsole\Program.cs:line 36

This exception was originally thrown at this call stack:
[External Code]

Inner Exception 1:
InvalidOperationException: Cannot get the value of a token type 'StartArray' as a string.
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