Please update your system to released 8.4 2017-11-25 and test there. If you can repeat there, please report a bug, attach crash log (verbosity debug detailed) and forward this crash causing email to local Pm's.
Is it possible to use the parameter --skip-register-on-import with multiple registers, either by using a comma-separated string or by specifying this parameter multiple times in parameters.txt?
Thi...
