I have installed Oracle 11g R2 in a linux server and created 5 users. Apex version 18.2 installed in the same server, Ords 18.4 Tomcat 8.5 is installed with different port in another server for each oracle user and connected to apex server. Same apex application is installed with separate application id is installed for the 5 users. I am facing the problem that when I run a report from an application data of another user is displaying.Problem will be solved only if the procedure is recompiled with some changes. Report are generated in PDF format.