The Queue.pull method can raise such exception even with an autocommit transaction because the update query can be in conflict with another same update query. This is because we use repeatable isolation level.
Closes #11937 (closed)
Due to a massive storm of spam, registration on this instance now requires explicit administrator approval. Sorry for the added friction, we're also looking into automatic filtering options.
The Queue.pull method can raise such exception even with an autocommit transaction because the update query can be in conflict with another same update query. This is because we use repeatable isolation level.
Closes #11937 (closed)