[Freeswitch-users] Assertion failed! ESL Managed Esl

Hi all, Am new to FreeSwitch, Am creating a C# Outbound mode application using Managed ESL. When am using eslc.RecvEventTimed(int) function am getting the following error. Assertion failed! File: esl.c Line : 666 Expression : sock<= FD_SETSIZE Please help me.! My code is with in try-catch block only. but still the above message box is coming