Error report viewer severity code description file line source suppression state tool error the definition of this report is not valid or supported by this version of reporting services.

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C#

Visual-Studio

report-viewer

Hello i'm doing a c # application and i use reportviewer, i went from visual studio 2015 to 2017 and i have a problem on a single rldc report but i the error below (know how to fix it):

Error:

Severity Code Description File Line Source Suppression State Tool Error The definition of this report is not valid or supported by this version of Reporting Services. The report definition may have been created with a later version of Reporting Services, or contain content that is not well-formed or not valid based on Reporting Services schemas. Details: The report definition has an invalid target namespace 'http://schemas.microsoft.com/sqlserver/reporting/2016/01/reportdefinition' which cannot be upgraded. C:\Users\riccardo\Desktop\MyProject\Software Windows\MyProject\MyProject\ReportPreventivoCompleto.rdlc Build

What I have tried:

I read on the internet that we should have the targetervervation but in the visual studio 2017 I can not