( ! ) Deprecated: core_shutdown_manager::register_signal_handler(): Implicitly marking parameter $params as nullable is deprecated, the explicit nullable type must be used instead in /opt/ccs24dev/dev44/lib/classes/shutdown_manager.php on line 124
Call Stack
#TimeMemoryFunctionLocation
10.0057362376{main}( ).../index.php:0
20.0068363096require_once( '/opt/ccs24dev/dev44/config.php ).../index.php:26
30.0236372568require_once( '/opt/ccs24dev/dev44/lib/setup.php ).../config.php:27
41.25661945984core_component::classloader( $classname = 'core_shutdown_manager' ).../setup.php:748

( ! ) Deprecated: core_shutdown_manager::register_function(): Implicitly marking parameter $params as nullable is deprecated, the explicit nullable type must be used instead in /opt/ccs24dev/dev44/lib/classes/shutdown_manager.php on line 138
Call Stack
#TimeMemoryFunctionLocation
10.0057362376{main}( ).../index.php:0
20.0068363096require_once( '/opt/ccs24dev/dev44/config.php ).../index.php:26
30.0236372568require_once( '/opt/ccs24dev/dev44/lib/setup.php ).../config.php:27
41.25661945984core_component::classloader( $classname = 'core_shutdown_manager' ).../setup.php:748

( ! ) Deprecated: xmldb_object::validateDefinition(): Implicitly marking parameter $xmldb_table as nullable is deprecated, the explicit nullable type must be used instead in /opt/ccs24dev/dev44/lib/xmldb/xmldb_object.php on line 419
Call Stack
#TimeMemoryFunctionLocation
10.0057362376{main}( ).../index.php:0
20.0068363096require_once( '/opt/ccs24dev/dev44/config.php ).../index.php:26
30.0236372568require_once( '/opt/ccs24dev/dev44/lib/setup.php ).../config.php:27
41.26301950288get_site( ).../setup.php:814
51.26301950288moodle_database->get_record( $table = 'course', $conditions = ['category' => 0], $fields = ???, $strictness = ??? ).../datalib.php:599
61.26462003736moodle_database->get_record_select( $table = 'course', $select = 'category = ?', $params = [0 => 0], $fields = '*', $strictness = 0 ).../moodle_database.php:1635
71.26462003864moodle_database->get_record_sql( $sql = 'SELECT * FROM {course} WHERE category = ?', $params = [0 => 0], $strictness = 0 ).../moodle_database.php:1656
81.26462003864mysqli_native_moodle_database->get_records_sql( $sql = 'SELECT * FROM {course} WHERE category = ?', $params = [0 => 0], $limitfrom = 0, $limitnum = 0 ).../moodle_database.php:1684
91.26462003864moodle_database->fix_sql_params( $sql = 'SELECT * FROM {course} WHERE category = ?', $params = [0 => 0] ).../mysqli_native_moodle_database.php:1393
101.26672070808require_once( '/opt/ccs24dev/dev44/lib/ddllib.php ).../moodle_database.php:897

( ! ) Deprecated: xmldb_table::validateDefinition(): Implicitly marking parameter $xmldb_table as nullable is deprecated, the explicit nullable type must be used instead in /opt/ccs24dev/dev44/lib/xmldb/xmldb_table.php on line 716
Call Stack
#TimeMemoryFunctionLocation
10.0057362376{main}( ).../index.php:0
20.0068363096require_once( '/opt/ccs24dev/dev44/config.php ).../index.php:26
30.0236372568require_once( '/opt/ccs24dev/dev44/lib/setup.php ).../config.php:27
41.26301950288get_site( ).../setup.php:814
51.26301950288moodle_database->get_record( $table = 'course', $conditions = ['category' => 0], $fields = ???, $strictness = ??? ).../datalib.php:599
61.26462003736moodle_database->get_record_select( $table = 'course', $select = 'category = ?', $params = [0 => 0], $fields = '*', $strictness = 0 ).../moodle_database.php:1635
71.26462003864moodle_database->get_record_sql( $sql = 'SELECT * FROM {course} WHERE category = ?', $params = [0 => 0], $strictness = 0 ).../moodle_database.php:1656
81.26462003864mysqli_native_moodle_database->get_records_sql( $sql = 'SELECT * FROM {course} WHERE category = ?', $params = [0 => 0], $limitfrom = 0, $limitnum = 0 ).../moodle_database.php:1684
91.26462003864moodle_database->fix_sql_params( $sql = 'SELECT * FROM {course} WHERE category = ?', $params = [0 => 0] ).../mysqli_native_moodle_database.php:1393
101.26672070808require_once( '/opt/ccs24dev/dev44/lib/ddllib.php ).../moodle_database.php:897

( ! ) Deprecated: xmldb_field::validateDefinition(): Implicitly marking parameter $xmldb_table as nullable is deprecated, the explicit nullable type must be used instead in /opt/ccs24dev/dev44/lib/xmldb/xmldb_field.php on line 763
Call Stack
#TimeMemoryFunctionLocation
10.0057362376{main}( ).../index.php:0
20.0068363096require_once( '/opt/ccs24dev/dev44/config.php ).../index.php:26
30.0236372568require_once( '/opt/ccs24dev/dev44/lib/setup.php ).../config.php:27
41.26301950288get_site( ).../setup.php:814
51.26301950288moodle_database->get_record( $table = 'course', $conditions = ['category' => 0], $fields = ???, $strictness = ??? ).../datalib.php:599
61.26462003736moodle_database->get_record_select( $table = 'course', $select = 'category = ?', $params = [0 => 0], $fields = '*', $strictness = 0 ).../moodle_database.php:1635
71.26462003864moodle_database->get_record_sql( $sql = 'SELECT * FROM {course} WHERE category = ?', $params = [0 => 0], $strictness = 0 ).../moodle_database.php:1656
81.26462003864mysqli_native_moodle_database->get_records_sql( $sql = 'SELECT * FROM {course} WHERE category = ?', $params = [0 => 0], $limitfrom = 0, $limitnum = 0 ).../moodle_database.php:1684
91.26462003864moodle_database->fix_sql_params( $sql = 'SELECT * FROM {course} WHERE category = ?', $params = [0 => 0] ).../mysqli_native_moodle_database.php:1393
101.26672070808require_once( '/opt/ccs24dev/dev44/lib/ddllib.php ).../moodle_database.php:897

( ! ) Deprecated: xmldb_index::validateDefinition(): Implicitly marking parameter $xmldb_table as nullable is deprecated, the explicit nullable type must be used instead in /opt/ccs24dev/dev44/lib/xmldb/xmldb_index.php on line 339
Call Stack
#TimeMemoryFunctionLocation
10.0057362376{main}( ).../index.php:0
20.0068363096require_once( '/opt/ccs24dev/dev44/config.php ).../index.php:26
30.0236372568require_once( '/opt/ccs24dev/dev44/lib/setup.php ).../config.php:27
41.26301950288get_site( ).../setup.php:814
51.26301950288moodle_database->get_record( $table = 'course', $conditions = ['category' => 0], $fields = ???, $strictness = ??? ).../datalib.php:599
61.26462003736moodle_database->get_record_select( $table = 'course', $select = 'category = ?', $params = [0 => 0], $fields = '*', $strictness = 0 ).../moodle_database.php:1635
71.26462003864moodle_database->get_record_sql( $sql = 'SELECT * FROM {course} WHERE category = ?', $params = [0 => 0], $strictness = 0 ).../moodle_database.php:1656
81.26462003864mysqli_native_moodle_database->get_records_sql( $sql = 'SELECT * FROM {course} WHERE category = ?', $params = [0 => 0], $limitfrom = 0, $limitnum = 0 ).../moodle_database.php:1684
91.26462003864moodle_database->fix_sql_params( $sql = 'SELECT * FROM {course} WHERE category = ?', $params = [0 => 0] ).../mysqli_native_moodle_database.php:1393
101.26672070808require_once( '/opt/ccs24dev/dev44/lib/ddllib.php ).../moodle_database.php:897

( ! ) Deprecated: database_manager::check_database_schema(): Implicitly marking parameter $options as nullable is deprecated, the explicit nullable type must be used instead in /opt/ccs24dev/dev44/lib/ddl/database_manager.php on line 958
Call Stack
#TimeMemoryFunctionLocation
10.0057362376{main}( ).../index.php:0
20.0068363096require_once( '/opt/ccs24dev/dev44/config.php ).../index.php:26
30.0236372568require_once( '/opt/ccs24dev/dev44/lib/setup.php ).../config.php:27
41.26301950288get_site( ).../setup.php:814
51.26301950288moodle_database->get_record( $table = 'course', $conditions = ['category' => 0], $fields = ???, $strictness = ??? ).../datalib.php:599
61.26462003736moodle_database->get_record_select( $table = 'course', $select = 'category = ?', $params = [0 => 0], $fields = '*', $strictness = 0 ).../moodle_database.php:1635
71.26462003864moodle_database->get_record_sql( $sql = 'SELECT * FROM {course} WHERE category = ?', $params = [0 => 0], $strictness = 0 ).../moodle_database.php:1656
81.26462003864mysqli_native_moodle_database->get_records_sql( $sql = 'SELECT * FROM {course} WHERE category = ?', $params = [0 => 0], $limitfrom = 0, $limitnum = 0 ).../moodle_database.php:1684
91.26462003864moodle_database->fix_sql_params( $sql = 'SELECT * FROM {course} WHERE category = ?', $params = [0 => 0] ).../mysqli_native_moodle_database.php:1393
101.26672070808require_once( '/opt/ccs24dev/dev44/lib/ddllib.php ).../moodle_database.php:897

( ! ) Warning: ini_set(): Session ini settings cannot be changed after headers have already been sent in /opt/ccs24dev/dev44/lib/classes/session/file.php on line 74
Call Stack
#TimeMemoryFunctionLocation
10.0057362376{main}( ).../index.php:0
20.0068363096require_once( '/opt/ccs24dev/dev44/config.php ).../index.php:26
30.0236372568require_once( '/opt/ccs24dev/dev44/lib/setup.php ).../config.php:27
41.46942278712core\session\manager::start( ).../setup.php:872
51.47082279488core\session\manager::start_session( $requireslock = TRUE ).../manager.php:144
61.47082279488core\session\file->init( ).../manager.php:157
71.47102279488ini_set( $option = 'session.save_handler', $value = 'files' ).../file.php:74

( ! ) Warning: ini_set(): Session ini settings cannot be changed after headers have already been sent in /opt/ccs24dev/dev44/lib/classes/session/file.php on line 75
Call Stack
#TimeMemoryFunctionLocation
10.0057362376{main}( ).../index.php:0
20.0068363096require_once( '/opt/ccs24dev/dev44/config.php ).../index.php:26
30.0236372568require_once( '/opt/ccs24dev/dev44/lib/setup.php ).../config.php:27
41.46942278712core\session\manager::start( ).../setup.php:872
51.47082279488core\session\manager::start_session( $requireslock = TRUE ).../manager.php:144
61.47082279488core\session\file->init( ).../manager.php:157
71.47142279728ini_set( $option = 'session.save_path', $value = '/opt/ccs24dev/moodledata/sessions' ).../file.php:75

( ! ) Warning: session_name(): Session name cannot be changed after headers have already been sent in /opt/ccs24dev/dev44/lib/classes/session/manager.php on line 385
Call Stack
#TimeMemoryFunctionLocation
10.0057362376{main}( ).../index.php:0
20.0068363096require_once( '/opt/ccs24dev/dev44/config.php ).../index.php:26
30.0236372568require_once( '/opt/ccs24dev/dev44/lib/setup.php ).../config.php:27
41.46942278712core\session\manager::start( ).../setup.php:872
51.47082279488core\session\manager::start_session( $requireslock = TRUE ).../manager.php:144
61.47242345264core\session\manager::prepare_cookies( ).../manager.php:159
71.47272345696session_name( $name = 'MoodleSession' ).../manager.php:385

( ! ) Warning: session_set_cookie_params(): Session cookie parameters cannot be changed after headers have already been sent in /opt/ccs24dev/dev44/lib/classes/session/manager.php on line 400
Call Stack
#TimeMemoryFunctionLocation
10.0057362376{main}( ).../index.php:0
20.0068363096require_once( '/opt/ccs24dev/dev44/config.php ).../index.php:26
30.0236372568require_once( '/opt/ccs24dev/dev44/lib/setup.php ).../config.php:27
41.46942278712core\session\manager::start( ).../setup.php:872
51.47082279488core\session\manager::start_session( $requireslock = TRUE ).../manager.php:144
61.47242345264core\session\manager::prepare_cookies( ).../manager.php:159
71.49232346280session_set_cookie_params( $lifetime_or_options = ['lifetime' => 0, 'path' => '/', 'domain' => '', 'secure' => TRUE, 'httponly' => 1] ).../manager.php:400

( ! ) Warning: ini_set(): Session ini settings cannot be changed after headers have already been sent in /opt/ccs24dev/dev44/lib/classes/session/manager.php on line 402
Call Stack
#TimeMemoryFunctionLocation
10.0057362376{main}( ).../index.php:0
20.0068363096require_once( '/opt/ccs24dev/dev44/config.php ).../index.php:26
30.0236372568require_once( '/opt/ccs24dev/dev44/lib/setup.php ).../config.php:27
41.46942278712core\session\manager::start( ).../setup.php:872
51.47082279488core\session\manager::start_session( $requireslock = TRUE ).../manager.php:144
61.47242345264core\session\manager::prepare_cookies( ).../manager.php:159
71.49342346328ini_set( $option = 'session.use_trans_sid', $value = '0' ).../manager.php:402

( ! ) Warning: ini_set(): Session ini settings cannot be changed after headers have already been sent in /opt/ccs24dev/dev44/lib/classes/session/manager.php on line 403
Call Stack
#TimeMemoryFunctionLocation
10.0057362376{main}( ).../index.php:0
20.0068363096require_once( '/opt/ccs24dev/dev44/config.php ).../index.php:26
30.0236372568require_once( '/opt/ccs24dev/dev44/lib/setup.php ).../config.php:27
41.46942278712core\session\manager::start( ).../setup.php:872
51.47082279488core\session\manager::start_session( $requireslock = TRUE ).../manager.php:144
61.47242345264core\session\manager::prepare_cookies( ).../manager.php:159
71.49602346280ini_set( $option = 'session.use_only_cookies', $value = '1' ).../manager.php:403

( ! ) Warning: ini_set(): Session ini settings cannot be changed after headers have already been sent in /opt/ccs24dev/dev44/lib/classes/session/manager.php on line 404
Call Stack
#TimeMemoryFunctionLocation
10.0057362376{main}( ).../index.php:0
20.0068363096require_once( '/opt/ccs24dev/dev44/config.php ).../index.php:26
30.0236372568require_once( '/opt/ccs24dev/dev44/lib/setup.php ).../config.php:27
41.46942278712core\session\manager::start( ).../setup.php:872
51.47082279488core\session\manager::start_session( $requireslock = TRUE ).../manager.php:144
61.47242345264core\session\manager::prepare_cookies( ).../manager.php:159
71.49652346280ini_set( $option = 'session.use_strict_mode', $value = '0' ).../manager.php:404

( ! ) Warning: ini_set(): Session ini settings cannot be changed after headers have already been sent in /opt/ccs24dev/dev44/lib/classes/session/manager.php on line 405
Call Stack
#TimeMemoryFunctionLocation
10.0057362376{main}( ).../index.php:0
20.0068363096require_once( '/opt/ccs24dev/dev44/config.php ).../index.php:26
30.0236372568require_once( '/opt/ccs24dev/dev44/lib/setup.php ).../config.php:27
41.46942278712core\session\manager::start( ).../setup.php:872
51.47082279488core\session\manager::start_session( $requireslock = TRUE ).../manager.php:144
61.47242345264core\session\manager::prepare_cookies( ).../manager.php:159
71.49692346280ini_set( $option = 'session.serialize_handler', $value = 'php' ).../manager.php:405

( ! ) Warning: ini_set(): Session ini settings cannot be changed after headers have already been sent in /opt/ccs24dev/dev44/lib/classes/session/manager.php on line 408
Call Stack
#TimeMemoryFunctionLocation
10.0057362376{main}( ).../index.php:0
20.0068363096require_once( '/opt/ccs24dev/dev44/config.php ).../index.php:26
30.0236372568require_once( '/opt/ccs24dev/dev44/lib/setup.php ).../config.php:27
41.46942278712core\session\manager::start( ).../setup.php:872
51.47082279488core\session\manager::start_session( $requireslock = TRUE ).../manager.php:144
61.47242345264core\session\manager::prepare_cookies( ).../manager.php:159
71.49752346280ini_set( $option = 'session.gc_probability', $value = 1 ).../manager.php:408

( ! ) Warning: ini_set(): Session ini settings cannot be changed after headers have already been sent in /opt/ccs24dev/dev44/lib/classes/session/manager.php on line 409
Call Stack
#TimeMemoryFunctionLocation
10.0057362376{main}( ).../index.php:0
20.0068363096require_once( '/opt/ccs24dev/dev44/config.php ).../index.php:26
30.0236372568require_once( '/opt/ccs24dev/dev44/lib/setup.php ).../config.php:27
41.46942278712core\session\manager::start( ).../setup.php:872
51.47082279488core\session\manager::start_session( $requireslock = TRUE ).../manager.php:144
61.47242345264core\session\manager::prepare_cookies( ).../manager.php:159
71.50072346280ini_set( $option = 'session.gc_divisor', $value = 1000 ).../manager.php:409

( ! ) Warning: ini_set(): Session ini settings cannot be changed after headers have already been sent in /opt/ccs24dev/dev44/lib/classes/session/manager.php on line 410
Call Stack
#TimeMemoryFunctionLocation
10.0057362376{main}( ).../index.php:0
20.0068363096require_once( '/opt/ccs24dev/dev44/config.php ).../index.php:26
30.0236372568require_once( '/opt/ccs24dev/dev44/lib/setup.php ).../config.php:27
41.46942278712core\session\manager::start( ).../setup.php:872
51.47082279488core\session\manager::start_session( $requireslock = TRUE ).../manager.php:144
61.47242345264core\session\manager::prepare_cookies( ).../manager.php:159
71.50112346280ini_set( $option = 'session.gc_maxlifetime', $value = 345600 ).../manager.php:410

( ! ) Warning: session_start(): Session cannot be started after headers have already been sent in /opt/ccs24dev/dev44/lib/classes/session/handler.php on line 45
Call Stack
#TimeMemoryFunctionLocation
10.0057362376{main}( ).../index.php:0
20.0068363096require_once( '/opt/ccs24dev/dev44/config.php ).../index.php:26
30.0236372568require_once( '/opt/ccs24dev/dev44/lib/setup.php ).../config.php:27
41.46942278712core\session\manager::start( ).../setup.php:872
51.47082279488core\session\manager::start_session( $requireslock = TRUE ).../manager.php:144
61.50152346544core\session\handler->start( ).../manager.php:162
71.50152346544session_start( ).../handler.php:45
Błąd

Błąd

error/Wystąpił błąd podczas komunikacji z serwerem
Debug info:
Error code: Wystąpił błąd podczas komunikacji z serwerem
$a contents:
Stack trace:
  • line 164 of /lib/classes/session/manager.php: core\session\exception thrown
  • line 144 of /lib/classes/session/manager.php: call to core\session\manager::start_session()
  • line 872 of /lib/setup.php: call to core\session\manager::start()
  • line 27 of /config.php: call to require_once()
  • line 26 of /course/index.php: call to require_once()