We can enable remote errors in for report services installed through SQL Server 2012 in SharePoint or newer versions of reporting services. To enable the service applications we have to set Enable remote error. This will be configured for all the report service applications. To do that we have to follow the steps below,
Navigate to SharePoint central Administration, click on manage service application in Application management section
Select the Service Application in the list of service Applications and Click on the name of Service Application
Click on the System Settings. In Security Section Select "Enable Remote Errors" and click on Ok to Save the Settings.