session_start(): Cannot start session when headers already sent

Call Stack

1. in Session.php line 106
2. at Error::appError(2, 'session_start(): Can...', '/home2/goodlap1/publ...', 106, ['config' => ['id' => '', 'var_session_id' => '', 'prefix' => 'think', ...], 'isDoStart' => true])
3. at session_start() in Session.php line 106
4. at Session::init() in Session.php line 120
5. at Session::boot() in Session.php line 164
6. at Session::get('admin_info') in common.php line 20
7. at is_admin_login() in Base.php line 9
8. at include('/home2/goodlap1/publ...') in Loader.php line 564
9. at think\__include_file('/home2/goodlap1/publ...') in Loader.php line 58
10. at Loader::autoload('app\admin\controller...')
11. at spl_autoload_call('app\admin\controller...') in Index.php line 6
12. at include('/home2/goodlap1/publ...') in Loader.php line 564
13. at think\__include_file('/home2/goodlap1/publ...') in Loader.php line 58
14. at Loader::autoload('app\admin\controller...')
15. at spl_autoload_call('app\admin\controller...')
16. at class_exists('app\admin\controller...') in Loader.php line 419
17. at Loader::controller('index', 'controller', false, 'Error') in App.php line 388
18. at App::module(['', null, null], ['app_host' => '', 'app_debug' => true, 'app_trace' => false, ...], true) in App.php line 296
19. at App::exec(['type' => 'module', 'module' => ['', null, null]], ['app_host' => '', 'app_debug' => true, 'app_trace' => false, ...]) in App.php line 124
20. at App::run() in start.php line 18
21. at require('/home2/goodlap1/publ...') in index.php line 26