i am having application which is already working with SSRS 12.0.0.0 version i want to upgrade it now to 13.0.0.0 for that i have added new Microsoft.ReportViewer.WebForms version reference which is 13.0.0.0 in the application and done all required version fixing in web.config
When i am running the application and opening the page which is going to show report getting this error
i have already done the changes which are asked in the Error still getting same issue, is there something which i missed.
please help me