IllegalStateException :Tried to lookup lag for unknown task 1_0

[Hima Mohan]

Hi Team,

I  am facing error  Exception in thread “ 
topic_name-0ce8394a-2394-4919-e46ce630c6ad-StreamThread-4” 
Java.lang.IllegalStateException :Tried to lookup lag for unknown task 1_0. 
Please suggest a solution.

Thanks,
Hima