It adds the keys from the master version as well. In 8.4 we added some more keys to CUVc in the master version so your 2 extra keys brought it over the limit of 80. I have increased the limit to 200. This will be available in 8.4 2017-09-13.
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...