Dear Ron van Erkel,
Hope you are doing well.
As I remember we have made for you some custom changes in RealEstateManager, so in our last version that problem doesn't occur.
Give us
full FTP and admin access
and our team will try to find solution special for You, FTP and admin access You can send to our contact form.
ordasoft.com/contact-us-form
Link on website
Joomla Admin
username
password
FTP
FTP host
FTP username
FTP password
Thanks,
Taras
OrdaSoft team.