diff --git a/server/AyaNova/ControllerHelpers/ApiErrorResponse.cs b/server/AyaNova/ControllerHelpers/ApiErrorResponse.cs
index 15113ca6..e7b59f2b 100644
--- a/server/AyaNova/ControllerHelpers/ApiErrorResponse.cs
+++ b/server/AyaNova/ControllerHelpers/ApiErrorResponse.cs
@@ -39,7 +39,7 @@ namespace AyaNova.Api.ControllerHelpers
         }
 
 
-        //Bad request error response handling
+        //Bad request (MODELSTATE ISSUE) error response handling
 
         public ApiErrorResponse(ModelStateDictionary modelState)
         {
@@ -58,9 +58,62 @@ namespace AyaNova.Api.ControllerHelpers
             //https://www.jerriepelser.com/blog/validation-response-aspnet-core-webapi/
             //Message = "Validation Failed";
             Error.Details = new List<ApiDetailError>();
-            Error.Details.AddRange(modelState.Keys
-                    .SelectMany(key => modelState[key].Errors
-                    .Select(x => new ApiDetailError() { Code = ((int)ApiErrorCode.VALIDATION_FAILED).ToString(), Target = key, Message = x.ErrorMessage, Error=ApiErrorCode.VALIDATION_FAILED.ToString() })));
+
+            /*
+            https://docs.microsoft.com/en-us/dotnet/api/microsoft.aspnetcore.mvc.modelbinding.modelerror?view=aspnetcore-2.2
+
+            modelState["roles"].Errors
+            Count = 1
+            [0]:{Microsoft.AspNetCore.Mvc.ModelBinding.ModelError}
+            ErrorMessage [string]:""
+            Exception [Exception]:{Newtonsoft.Json.JsonSerializationException: Error converting value "" to type 'AyaNova.Biz.AuthorizationRoles'. Path 'roles', line 1, position 146. ---> System.ArgumentException: Must specify valid information for parsing in the string.\r\n   at Newtonsoft.Json.Utilities.EnumUtils.ParseEnum(Type enumType, NamingStrategy namingStrategy, String value, Boolean disallowNumber) in /_/Src/Newtonsoft.Json/Utilities/EnumUtils.cs:line 285\r\n   at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.EnsureType(JsonReader reader, Object value, CultureInfo culture, JsonContract contract, Type targetType) in /_/Src/Newtonsoft.Json/Serialization/JsonSerializerInternalReader.cs:line 958\r\n   --- End of inner exception stack trace ---\r\n   at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.EnsureType(JsonReader reader, Object value, CultureInfo culture, JsonContract contract, Type targetType) in /_/Src/Newtonsoft.Json/Serialization/JsonSerializerInternalReader.cs:line 989\r\n   at Newtonsoft.Json.Serialization.Jso...
+            Data [IDictionary]:{System.Collections.ListDictionaryInternal}
+            HResult [int]:-2146233088
+            HelpLink [string]:null
+            InnerException [Exception]:{System.ArgumentException: Must specify valid information for parsing in the string.\r\n   at Newtonsoft.Json.Utilities.EnumUtils.ParseEnum(Type enumType, NamingStrategy namingStrategy, String value, Boolean disallowNumber) in /_/Src/Newtonsoft.Json/Utilities/EnumUtils.cs:line 285\r\n   at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.EnsureType(JsonReader reader, Object value, CultureInfo culture, JsonContract contract, Type targetType) in /_/Src/Newtonsoft.Json/Serialization/JsonSerializerInternalReader.cs:line 958}
+            LineNumber [int]:1
+            LinePosition [int]:146
+            Message [string]:"Error converting value \"\" to type 'AyaNova.Biz.AuthorizationRoles'. Path 'roles', line 1, position 146."
+            Path [string]:"roles"
+            Source [string]:"Newtonsoft.Json"
+            StackTrace [string]:"   at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.EnsureType(JsonReader reader, Object value, CultureInfo culture, JsonContract contract, Type targetType) in /_/Src/Newtonsoft.Json/Serialization/JsonSerializerInternalReader.cs:line 989\r\n   at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.SetPropertyValue(JsonProperty property, JsonConverter propertyConverter, JsonContainerContract containerContract, JsonProperty containerProperty, JsonReader reader, Object target) in /_/Src/Newtonsoft.Json/Serialization/JsonSerializerInternalReader.cs:line 1032\r\n   at Newtonsoft.Json.Serialization.JsonSerializerInternalReader.PopulateObject(Object newObject, JsonReader reader, JsonObjectContract contract, JsonProperty member, String id) in /_/Src/Newtonsoft.Json/Serialization/JsonSerializerInternalReader.cs:line 2386"
+            TargetSite [MethodBase]:{System.Object EnsureType(Newtonsoft.Json.JsonReader, System.Object, System.Globalization.CultureInfo, Newtonsoft.Json.Serialization.JsonContract, System.Type)}
+            Static members
+            Non-Public members
+            Raw View
+            Loaded 'C:\Program Files\dotnet\shared\Microsoft.NETCore.App\2.2.1\System.Reflection.Metadata.dll'. Skipped loading symbols. Module is optimized and the debugger option 'Just My Code' is enabled.
+            Loaded 'C:\Program Files\dotnet\shared\Microsoft.NETCore.App\2.2.1\System.IO.MemoryMappedFiles.dll'. Skipped loading symbols. Module is optimized and the debugger option 'Just My Code' is enabled.
+            modelState["roles"].Errors[0].Exception.Message
+            "Error converting value \"\" to type 'AyaNova.Biz.AuthorizationRoles'. Path 'roles', line 1, position 146."
+            modelState["roles"].Errors
+            Count = 1
+            [0]:{Microsoft.AspNetCore.Mvc.ModelBinding.ModelError */
+
+
+            //original method missing details:
+            // Error.Details.AddRange(modelState.Keys
+            //         .SelectMany(key => modelState[key].Errors
+            //         .Select(x => new ApiDetailError() { Code = ((int)ApiErrorCode.VALIDATION_FAILED).ToString(), Target = key, Message = x.ErrorMessage, Error=ApiErrorCode.VALIDATION_FAILED.ToString() })));
+
+            //var vErrors = modelState.Keys.SelectMany(key => modelState[key].Errors);
+            foreach (var key in modelState.Keys)
+            {
+                var vErrors=modelState[key].Errors;
+                foreach (ModelError m in vErrors)
+                {
+                    string msg = "";
+                    if (!string.IsNullOrWhiteSpace(m.ErrorMessage))
+                    {
+                        msg += m.ErrorMessage + ". ";
+                    }
+                    if (m.Exception != null && !string.IsNullOrWhiteSpace(m.Exception.Message))
+                    {
+                        msg += "Exception: " + m.Exception.Message;
+                    }
+
+                    Error.Details.Add(new ApiDetailError() { Code = ((int)ApiErrorCode.VALIDATION_FAILED).ToString(), Target = key, Message = msg, Error=ApiErrorCode.VALIDATION_FAILED.ToString() });
+                }
+            }
 
 
             log.LogDebug("BadRequest - Validation error");