To perform OA Page personalization a profile option (“Personaliz Self-Service Defn”) has to be assigned to a user login.
Navigation: “Application Administrator” Responsibility --> Application Administrator -->Profile
Here in this screen select ‘User’ Checkbox and then select your login user name and Select the Profile option “Personaliz Self-Service Defn” in the Profile text box. After selecting the profile option, click on Find button. This action opens System profile options screen.
In the screen select ‘Yes’ Option from the LOV corresponding to the user column.
Then save and close the form.