If your job description does not match the job application, you will automatically get rejected by the algorithms. Your job application did not pass the ATS algorithm test: When you upload your job application, recruiters use ATS algorithms to automatically compare your application with the job description.
Common reasons for applications not being retained are: You have failed something during the application process, and the recruiter decided to delete your application from their system. While it sucks to know that a potential employer doesn’t want to work with you under any circumstances, being told that your application was not retained should act as an electroshock. 5 Reasons Why Recruiters Didn’t Retain Your Application