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ERROR_STATE_COMPOSITE_SETTING_VALUE_SIZE_LIMIT_EXCEEDED
The composite setting is too large
ERROR_STATE_COMPOSITE_SETTING_VALUE_SIZE_LIMIT_EXCEEDED is a validation failure: the complete serialized composite value is larger than the platform accepts. Retrying the same payload will not help.
Resolution options
- Remove redundant fields and compact the representation.
- Split independent data into several settings.
- Store large documents or caches in application files or a database and keep only a reference in settings.
- Avoid embedding binary blobs in configuration state.
Design note
Settings storage is intended for bounded configuration and state, not arbitrary content. Add size checks before calling the API so the application can provide a useful error and preserve the previous value.
Choosing another store
Large structured documents, histories, thumbnails, and caches belong in files or a database with explicit lifecycle management. The settings repository should retain only compact configuration and references.
Preventing regressions
Add a serialization-size unit test using worst-case strings and optional fields. Monitor actual payload sizes in development builds so growth is noticed before users reach the platform limit.
References
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