In my site the real State activation property addon returns the error:
Warning: call_user_func(PGL_Addon_estate::add_option_panel) [function.call-user-func]: First argument is expected to be a valid callback in /home/danielrodrigues/danielrodrigues.net.br/projetos/agaconsultoria/wp-content/themes/RealEstast/inc/options.php on line 420
Hi dniel, this is a general open forum, the appropriate support forum for this theme can be found here.
Or, you can interact directly with the author here. The link takes you to the item’s Comments section, where you can also browse previous posts for additional information and/or troubleshooting.
Just leave the author a quick comment and he’ll gladly point you in the right direction. Good luck.