Census: Some syncs failing with "T.cast: Expected type T::Struct, got type TrueClass"
Affected components: Sync Engine
Timeline of updates
- resolved
A recent code change introduced a bug resulting in some syncs failing with the message "T.cast: Expected type T::Struct, got type TrueClass".
This impacted sync runs where there were no incremental changes identified and the source connection utilizes the Advanced Sync Engine.
We identified the problematic change, and have reverted. Syncs are now running successfully.
Archive proof
Rewindex commits each version of an incident it captures to a daily checkpoint, chains it to the day before, and has the checkpoint timestamped by FreeTSA and DigiCert. That proves this record existed by then and has not been changed since, by anyone, Rewindex included.
How the archive is checked, and what it cannot prove.
First version captured
In the 2026-10-17 checkpoint, timestamped by FreeTSA and DigiCert on . Record hash
b702b379d7ec1c25…
Impact, status and times are the vendor’s own, as last archived. View on stspg.io (opens in new tab).
Cite this
Status incident (vendor impact label: none) posted by Census, started 2025-04-21 19:33 UTC, resolved after 0 min, 1 update(s).
- Title
- Some syncs failing with "T.cast: Expected type T::Struct, got type TrueClass"
- Vendor
- Census
- Date
- URL
- https://rewindex.com/company/census/incidents/fsfvqhd02hf9
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