Are you getting that error on all jobs you try to apply for or a specific job? Could you please try using a different browser or an incognito window and let us know if the issue persists?
Could you please update your profile to make sure it reflects your identity, skills and experience accurately and doesn't represent a team? You can use an agency profile to represent a team.
Regarding the error you receive, do you see it when you apply to any job or to one specific job?