How to run SQL script reset_image_prefix.sql on Autonomous Database

I get the error below when trying to login into my APEX instance but its running on ATP database, how do I run that script ?

Thanks in advance !

There is a problem with your environment because the Application Express files have not been loaded. Please verify that you have copied the images directory to your application server as instructed in the Installation Guide. In addition, please verify that your image prefix path is correct. Your current path is (it should contain both starting and ending forward slashes, such as the default /i/). Use the SQL script reset_image_prefix.sql if you need to change it.