Handle invalid client IDs correctly

[mmjee]

PR

Describe your changes

See ticket. Unintentional formatting changes crept in, but we should always merge formatted code anyway.

Issue ticket number and link

• AR-7331

Checklist before requesting a review

• You have performed a self-review of your own code
• You are using approved terminology
• Your changes have been tested locally
• Your code builds clean without any errors or warnings

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