SAP Knowledge Base Article - Preview

3779699 - Error 400030 "The number of user ids exceeds the maximum limit" during Passkey registration

Symptom

  • Error 400030: "The number of user ids exceeds the maximum limit" is returned during Passkey (FIDO) registration.

  • The error occurs when the oauth.connect API is invoked as part of the Passkey registration flow.

  • The behaviour is observed for a specific user, while other users can register Passkeys successfully.


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Environment

  • SAP Customer Data Cloud

  • Passkey (FIDO) Authentication

Product

SAP Customer Data Cloud all versions

Keywords

gigya, webauthn, fido2, identity limit, identifier quota, account limit, account cleanup, duplicate identities, custom identifiers, social login identities, account merge, identifier capacity , KBA , CEC-PRO-API , Core REST API & Server SDKs (JWT / PHP / Java) , Problem

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