Finally we got the reason. We have enabled the audit logic for the entity "User". This entity didn't have any blacklisted properties to audit in 1811, but it does in 1905. For the blacklisted properties to be calculated (DefaultAuditableSaver.findBla...

We are experiencing the same problem in production with a boolean attribute after migrating from 1811 to 1905. We are going to override the class DefaultAuditableSaver to investigate the problem.