java.lang.StringIndexOutOfBoundsException: String index out of range: -40

Hi Team,

I am getting error

java.lang.StringIndexOutOfBoundsException: String index out of range: -40

when i am clicking on Workset folder to add Iviews to Workset.

Please let me know solution for this it is high priority and i am not able to figure out

Thanks,

Vijay