_id in MessageDraft.data, set MessageDraft.id, or include block
hashes in the source data.E2409
Google PubSub target — Block has no hash
A fork-capable dataset delivered a block without a hash, and the route relies on generated ids.
Bare block numbers repeat after a fork, so the generated id would alias an orphaned row with a
canonical one.
Fix — supply a string
Related topics
Error reference