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ERROR_STATE_WRITE_COMPOSITE_SETTING_FAILED
A composite setting could not be written
ERROR_STATE_WRITE_COMPOSITE_SETTING_FAILED means a multi-field value was not stored successfully. Because the fields represent one logical object, partial persistence would be unsafe.
Common triggers
- The serialized composite exceeds platform limits.
- A member uses an unsupported type or invalid name.
- The repository transaction cannot commit.
- Concurrent updates conflict with the write.
Safe implementation
Build and validate the complete composite before submitting it. After failure, do not assume that any member changed; read back the value or rely on transactional guarantees documented by the API.
Diagnostics
Log member count, aggregate size, schema version, and the underlying error, but avoid exposing private field contents.
Atomicity expectation
Callers should submit the composite as one validated object and treat the operation as all-or-nothing. Writing members individually creates intermediate states that other processes can observe.
Size and type checks
Measure the final serialized representation, validate every member type, and reject unsupported nested data before calling the platform. Preflight validation gives a clearer error than a generic repository failure.
References
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