How to fix System.Reflection.TargetInvocationException

Question

I am Developing POM with Page Factory in Selenium automation Script with C#. but, when I am trying to click on same Element second Time, I am getting Exception like: "System.Reflection.TargetInvocationException","OpenQA.Selenium.StaleElementReferenceException". Plese, tell me how to fix that.

MyAccountHeadCarotMaster.Click();
       MyReports.Click();
       MyJob1.Click();
       Thread.Sleep(4000);
       MyAccountHeadCarotMaster.Click();
       Reports.Click();
       MyJob2.Click();
       Thread.Sleep(4000);
       MyAccountHeadCarotMaster.Click();
       Reports.Click();
       MyJob3.Click();
       Thread.Sleep(4000);
       MyAccountHeadCarotMaster.Click();
       Reports.Click();
       MyJob4.Click();
       Thread.Sleep(4000);
       MyAccountHeadCarotMaster.Click();
       Reports.Click();
       MyJob5.Click();
       Thread.Sleep(4000);
       MyAccountHeadCarotMaster.Click();
       Reports.Click();
       MyJob6.Click();
       Thread.Sleep(4000);