It seems to me your Query is just taking to much time, if a webbrowser does not get it's answer soon enough it will display the cannot be displayed error. So either make the query perform better (indexes etc) or bracket the query into multiple smaller queries which allow you to display data...
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.