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ERROR_STATE_READ_SETTING_FAILED
A stored setting could not be read
ERROR_STATE_READ_SETTING_FAILED means lookup reached the repository but the value could not be retrieved or decoded. It is different from a normal “setting not found” result.
Likely causes
- The value record is damaged or has an unexpected type.
- The container changes concurrently.
- The profile or backing store becomes unavailable during the read.
- The caller requests a scope or representation it cannot access.
Diagnosis
Log the container, setting name, expected type, and whether other settings remain readable. A single failing value suggests localized corruption; broad failures suggest a store or profile problem.
Handling
Use a default only when product semantics explicitly define one, and record that recovery occurred. Security, licensing, and policy values should not quietly fall back to permissive defaults.
Fallback policy
Classify each setting as optional, recoverable, or security-sensitive. Optional UI preferences may use defaults; encryption, access-control, or license values should fail safely and request repair instead of becoming permissive.
Reproduction data
Log the expected type, schema version, encoded size, and whether neighboring settings are readable. This helps separate one malformed record from a container-wide problem without exposing the actual value.
References
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