Error c3_core_error_es_504

Hello good day everyone, I have a problem that is driving me crazy and not to do , I researched all the web and not found the solution .
My problem is to update my version 4.0 to 4.1 but the upgrade did not run so return back to the 4.0, but now you want to run a report I get the following error c3_core_error_es_504 . ask your help with this please . ( sorry for my English is the google translator ) if someone tells me in Spanish fabulous serious