Hello,
The xml sintax is different in your Joomla. What version of Joomla do you have? And what version of RealEstateManager component do you have?
Did you install using our documentation?
ordasoft.com/News/Joomla-Tutorials/how-t...omla-components.html
If you have problem with template, then follow our documentation
ordasoft.com/News/Joomla-Tutorials/how-t...ckstart-package.html
Thanks,
Taras
OrdaSoft team.