3638
MariaDBERRORNotableAccess ControlHIGH confidence
FIDO device registration did not complete successfully
Production Risk
High — Authentication remains unavailable until registration is successfully completed.
How to reproduce
trigger — this will error
trigger — this will error
-- Registration initiated but not completed before timeout
expected output
ERROR 3638 (HY000): FIDO device registration is incomplete.
Fix
Retry FIDO2 registration
Retry FIDO2 registration
ALTER USER 'user'@'%' FACTOR 2 REGISTRATION BEGIN; -- Ensure user touches device within timeout
Why this works
Restarts the registration ceremony with full user attention.
What not to do
✕
Version notes
Sources
Official documentation ↗
MySQL 8.0 — 3638 ER_FIDO_REGISTRATION_INCOMPLETE
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