While deploying webparts getting scripting error in VS2012 ?

Hi All,

I have one question in vs2012, I created one visual web part in vs2012. Getting scripting error while deploying.

Not able to inserting the data using web part. and web part respective functionality is not working.

Unhandled exception at line 3808, column 23 in http://sharepoint3:25902/ScriptResource.axd?d=U2BLRUhGs--2uUhZEmTBBPdF31Ljxen4EVkPVIk0Xz3RQTBrk-DALlraD_RhrNxqVIbljSz1Gpx1vunrlWU8YnhllMcuriCLsYpRFGyODhVilVjZxxRBvfmp4wtlrfaGTrhGXjX_RccZ4ntD-9jefbu18HaExG2PM7rIfzb7b9O7VaPmj8Z_blZ2DNecqh5v0&t=6119e399

0x800a139e - JavaScript runtime error: Sys.ArgumentException: Value must not be null for Controls and Behaviors.

Parameter name: element

Thanks,

phani kumar

Phani kumar