Server Error in '/' Application.

Unable to translate Unicode character \uD835 at index 399 to specified code page.

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.Text.EncoderFallbackException: Unable to translate Unicode character \uD835 at index 399 to specified code page.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:


[EncoderFallbackException: Unable to translate Unicode character \uD835 at index 399 to specified code page.]
   System.Text.EncoderExceptionFallbackBuffer.Fallback(Char charUnknown, Int32 index) +167
   System.Text.EncoderFallbackBuffer.InternalFallback(Char ch, Char*& chars) +279
   System.Text.UTF8Encoding.GetByteCount(Char* chars, Int32 count, EncoderNLS baseEncoder) +14561985
   System.Text.UTF8Encoding.GetByteCount(String chars) +58
   System.IO.BinaryWriter.Write(String value) +58
   System.Web.UI.ObjectStateFormatter.SerializeValue(SerializerBinaryWriter writer, Object value) +299

[ArgumentException: Error serializing value '𝐂𝐎𝐌𝐌𝐄𝐑𝐂𝐈𝐀𝐋 𝐁𝐔𝐈𝐋𝐃𝐈𝐍𝐆 𝐅𝐎𝐑 𝐒𝐀𝐋𝐄 𝐀𝐓 𝐊𝐘𝐀𝐍𝐉𝐀 𝐔𝐆𝐗1.8𝐁𝐈𝐋𝐋𝐈𝐎𝐍.Location: #Kyanja townPrice: Reduced to Ugx.@1.8bn ugxMonthly collections: Ugx @19.3mBreakdownGround floor: Hospital paying 2.85mFirst floor #14units each at #500k per month#11units each at #400k per monthSecond Floor:#4units double rooms each at #750k per month𝐅𝐨𝐫 𝐦𝐨𝐫𝐞 𝐝𝐞𝐭𝐚𝐢𝐥𝐬, 𝐜𝐚𝐥𝐥/�' of type 'System.String.']
   System.Web.UI.ObjectStateFormatter.SerializeValue(SerializerBinaryWriter writer, Object value) +4336
   System.Web.UI.ObjectStateFormatter.Serialize(Object stateGraph, Purpose purpose) +97
   System.Web.UI.Util.SerializeWithAssert(IStateFormatter2 formatter, Object stateGraph, Purpose purpose) +65
   System.Web.UI.HiddenFieldPageStatePersister.Save() +127
   System.Web.UI.Page.SaveAllState() +924
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +4015


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4700.0