Fatal error after enable oa_radix

Solved. There isn't a function panels_mini_block_view().

Embed a mini panel | Thomas Lemaire
thomas.lemaire.name/snippet/embed-mini-panel
$mini_panel = module_invoke('panels_mini', 'block_view', 'minipanel_machine_name');. // or panels_mini_block_view('minipanel_machine_name'); ...

In /profiles/openatrium/themes/oa_radix/template.php change after

line 112 }

//Use module_invoke syntax as noted by Thomas Lemaire
//$mini_panel = module_invoke('panels_mini', 'block_view', 'minipanel_machine_name');
//$toolbar = panels_mini_block_view('oa_toolbar_panel');
$toolbar = module_invoke('panels_mini', 'block_view', 'oa_toolbar_panel');
$vars['oa_toolbar_panel'] = isset($toolbar) ? $toolbar['content'] : '';
//$footer = panels_mini_block_view('oa_footer_panel');
$footer = module_invoke('panels_mini', 'block_view', 'oa_footer_panel');

now line 120 $vars['oa_footer_panel'] = isset($footer) ? $footer['content'] : '';