Thanks @MattWho , Maybe we tried to skip versions and created this problem. But we could solve it. @gourexe  I think the solution that we have applied at that moment, was to migrate the flow to 1.16.3 in a fresh installation. Reconfigure all the secrets and then move on the versions. The lesson that we learned is that we should have a process to test and apply new versions from Nifi, as soon as possible. 🙂 ... View more