In the service layer, a new validation has been added that checks if a framework credential already exists with the same credential subject type for the requested holder. If the credential is present, a DuplicateCredentialProblem is thrown, else a new credential is issued.
Resolves #258
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Description
In the service layer, a new validation has been added that checks if a framework credential already exists with the same credential subject type for the requested holder. If the credential is present, a DuplicateCredentialProblem is thrown, else a new credential is issued.
Resolves #258
Pre-review checks
Please ensure to do as many of the following checks as possible, before asking for committer review: