Server Error in '/' Application.

The input is not a valid Base-64 string as it contains a non-base 64 character, more than two padding characters, or an illegal character among the padding characters.

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.FormatException: The input is not a valid Base-64 string as it contains a non-base 64 character, more than two padding characters, or an illegal character among the padding characters.

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:


[FormatException: The input is not a valid Base-64 string as it contains a non-base 64 character, more than two padding characters, or an illegal character among the padding characters. ]
   System.Convert.FromBase64_Decode(Char* startInputPtr, Int32 inputLength, Byte* startDestPtr, Int32 destLength) +364
   System.Convert.FromBase64CharPtr(Char* inputPtr, Int32 inputLength) +128
   System.Convert.FromBase64String(String s) +49
   WBD.Common.SecurityUtility.Decrypt(String cipherText, String passPhrase, String saltValue, String hashAlgorithm, Int32 passwordIterations, String initVector, Int32 keySize) +187
   WBD.Common.SecurityUtility.Decrypt(String plainText, String passPhrase) +218
   TrackingDone.RedirSystem.RedirMongoDbHandler.ProcessRequest(HttpContext context) +7498
   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +790
   System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +195
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +88


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.3701.0