Chnage Jmeter Threads Pool size : In **Response data**, I am  Getting Error message. **I want to Increse Pool Size 10 to 100 !**  Urgent Help me pls.

    {"errorCode":"INTERNAL_SERVER_ERROR","message":"Task java.util.concurrent.FutureTask@428373db rejected from java.util.concurrent.ThreadPoolExecutor@7114477d[Running, pool size = 10, active threads = 10, queued tasks = 0, completed tasks = 30014]"}