This seems to be a Bug, it should stop it as it happened the second time you tried. Please report it so we can try to replicate it and find the problem.
Hi Gastón,
Please report a bug in our issue tracker and attach test database that you can repeat this in so I can have a look. Paste subject here once done...
From what I've read, using these will store the updated records in memory and then write them to the database in bulk, instead of each record writing to the database in turn. So perhaps there&apo...
