Warning: Undefined variable $PAGE in /var/www/html/local/spreadsheet/gradelib.php on line 4

Warning: Attempt to read property "pagetype" on null in /var/www/html/local/spreadsheet/gradelib.php on line 4

PAGE TYPE:

line 4 of /local/spreadsheet/gradelib.php: call to debugging()
line 7 of /local/spreadsheet/lib.php: call to require_once()
line 1076 of /lib/classes/component.php: call to include_once()
line 7305 of /lib/moodlelib.php: call to core\component::get_plugin_list_with_file()
line 896 of /lib/setup.php: call to get_plugins_with_function()
line 17 of /config.php: call to require_once()
line 26 of /course/index.php: call to require_once()

Warning: ini_set(): Session ini settings cannot be changed after headers have already been sent in /var/www/html/lib/classes/session/file.php on line 63

Warning: ini_set(): Session ini settings cannot be changed after headers have already been sent in /var/www/html/lib/classes/session/file.php on line 64

Warning: session_name(): Session name cannot be changed after headers have already been sent in /var/www/html/lib/classes/session/manager.php on line 380

Warning: session_set_cookie_params(): Session cookie parameters cannot be changed after headers have already been sent in /var/www/html/lib/classes/session/manager.php on line 395

Warning: ini_set(): Session ini settings cannot be changed after headers have already been sent in /var/www/html/lib/classes/session/manager.php on line 397

Warning: ini_set(): Session ini settings cannot be changed after headers have already been sent in /var/www/html/lib/classes/session/manager.php on line 398

Warning: ini_set(): Session ini settings cannot be changed after headers have already been sent in /var/www/html/lib/classes/session/manager.php on line 399

Warning: ini_set(): Session ini settings cannot be changed after headers have already been sent in /var/www/html/lib/classes/session/manager.php on line 400

Warning: ini_set(): Session ini settings cannot be changed after headers have already been sent in /var/www/html/lib/classes/session/manager.php on line 403

Warning: ini_set(): Session ini settings cannot be changed after headers have already been sent in /var/www/html/lib/classes/session/manager.php on line 404

Warning: ini_set(): Session ini settings cannot be changed after headers have already been sent in /var/www/html/lib/classes/session/manager.php on line 405

Warning: session_start(): Session cannot be started after headers have already been sent in /var/www/html/lib/classes/session/handler.php on line 39
Error

Error

error/Se produjo un error mientras se comunicaba con el servidor

Debug info:
Error code: Se produjo un error mientras se comunicaba con el servidor
$a contents:

Stack trace:

line 156 of /lib/classes/session/manager.php: core\session\exception thrown
line 136 of /lib/classes/session/manager.php: call to core\session\manager::start_session()
line 907 of /lib/setup.php: call to core\session\manager::start()
line 17 of /config.php: call to require_once()
line 26 of /course/index.php: call to require_once()