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ERROR_STATE_READ_COMPOSITE_SETTING_FAILED
A composite setting could not be read
ERROR_STATE_READ_COMPOSITE_SETTING_FAILED concerns a setting made of multiple related fields that must be retrieved as one logical value. The operation fails if the composite payload or its metadata cannot be reconstructed consistently.
What to examine
- Schema changes between application versions.
- Missing or malformed members inside the composite value.
- Interrupted writes that committed only part of the structure.
- Type mismatches introduced by older builds.
Recovery
Validate the complete object before using any member. If migration is supported, migrate from a known prior schema; otherwise preserve the bad data for diagnostics and reset only the affected setting through a documented path.
Schema discipline
Composite values should carry an explicit schema version and validate all required members before use. Optional members need documented defaults so older data can be upgraded without treating every omission as corruption.
Repair strategy
Prefer migration from a known compatible version over reconstructing fields heuristically. If reconstruction is unavoidable, save the original payload or a diagnostic hash before replacing it.
References
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