Create a new report using interactive report or classic and go to the query source section and type the below query :
,to_timestamp(localtimestamp - numtodsinterval(seconds_ago, 'SECOND')) as "VIEW_DATE"
,rows_queried as "Rows Queried"
where seconds_ago < 400000
order by seconds_ago desc;
Run the application page you will see the details of error activity created by users.