Fatal error: Uncaught Error: Call to undefined function wp_get_additional_image_sizes() in /home/colegioomega/public_html/wp-includes/media.php:64 Stack trace: #0 /home/colegioomega/public_html/wp-includes/media.php(267): image_constrain_size_for_editor(512, 512, 'full') #1 /home/colegioomega/public_html/wp-includes/media.php(955): image_downsize('1736', 'full') #2 /home/colegioomega/public_html/wp-includes/media.php(1119): wp_get_attachment_image_src('1736', 'full', false) #3 /home/colegioomega/public_html/wp-includes/general-template.php(932): wp_get_attachment_image_url('1736', 'full') #4 /home/colegioomega/public_html/wp-includes/general-template.php(973): get_site_icon_url(512, '', 0) #5 /home/colegioomega/public_html/wp-includes/general-template.php(3259): has_site_icon() #6 /home/colegioomega/public_html/wp-includes/class-wp-hook.php(287): wp_site_icon('') #7 /home/colegioomega/public_html/wp-includes/class-wp-hook.php(311): WP_Hook->apply_filters(NULL, Array) #8 /home/colegioomega/public_html/wp-includes/plugin.ph in /home/colegioomega/public_html/wp-includes/media.php on line 64