If this error  in Sitefinity CMS is driving you crazy then there is a simple solution to this problem which is listed below. This error might be caused when there is some missing index folder. WorkAround

  • So the simple workaround is to go to Administrator tab.
  • Then in administrator go to Services and then to Search screen
  • This will initialize the services client and all missing folders will be recreated.

Given below are the steps in images which will solve this problem