I commented out these lines and it works like a champ
function gb_templates_addmenu() {
//$objCurrUser = wp_get_current_user();
//$objUser = wp_cache_get($objCurrUser->id, 'users');
//if (function_exists('add_plugins_page') && is_site_admin($objUser->user_login)) {
// does not use add_options_page, because it is site-wide configuration,
// not blog-specific config, but side-wide
add_submenu_page('wpmu-admin.php', 'Blog Templates', 'Blog Templates', 9, basename(__FILE__), 'gb_templates_options_panel');
// }
}