Campaign Opt In not showing for already created candidates

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Hello experts,

Campaign opt in does not show for already created candidate in a job. When the user access his/her Candidate Experience Page, the Campaign Opt In is not visible in any section. Instead, if a user creates his/her profile from the Candidate Experience Page directly, the Campaign opt in is present. The client needs the Campaign Opt in to be selected also in the Candidate Experience page for already created candidates. Do you have an idea why is this happening?

Thank you in advance,

Fabiana

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