( ! ) Warning: session_start(): open(C:\wamp64\moodledata/sessions\sess_7q340g3iret5tbi7a5ebb8s3ot, O_RDWR) failed: Permission denied (13) in C:\wamp64\www\moodle\lib\classes\session\handler.php on line 45
Call Stack
#	Time	Memory	Function	Location
1	0.0002	364064	{main}( )	...\view.php:0
2	0.0002	364608	require( 'C:\wamp64\www\moodle\config.php )	...\view.php:19
3	0.0003	379424	require_once( 'C:\wamp64\www\moodle\lib\setup.php )	...\config.php:27
4	0.0069	1341600	core\session\manager::start( )	...\setup.php:842
5	0.0070	1343184	core\session\manager::start_session( $requireslock = TRUE )	...\manager.php:139
6	0.0072	1344784	core\session\handler->start( )	...\manager.php:157
7	0.0072	1344784	session_start( )	...\handler.php:45

( ! ) Warning: session_start(): open(C:\wamp64\moodledata/sessions\sess_7q340g3iret5tbi7a5ebb8s3ot, O_RDWR) failed: Permission denied (13) in C:\wamp64\www\moodle\lib\classes\session\handler.php on line 45

Call Stack

Time

Memory

Function

Location

0.0002

364064

{main}( )

...\view.php:0

0.0002

364608

require( 'C:\wamp64\www\moodle\config.php )

...\view.php:19

0.0003

379424

require_once( 'C:\wamp64\www\moodle\lib\setup.php )

...\config.php:27

0.0069

1341600

core\session\manager::start( )

...\setup.php:842

0.0070

1343184

core\session\manager::start_session( $requireslock = TRUE )

...\manager.php:139

0.0072

1344784

core\session\handler->start( )

...\manager.php:157

0.0072

1344784

session_start( )

...\handler.php:45

( ! ) Warning: session_start(): Failed to read session data: files (path: C:\wamp64\moodledata/sessions) in C:\wamp64\www\moodle\lib\classes\session\handler.php on line 45
Call Stack
#	Time	Memory	Function	Location
1	0.0002	364064	{main}( )	...\view.php:0
2	0.0002	364608	require( 'C:\wamp64\www\moodle\config.php )	...\view.php:19
3	0.0003	379424	require_once( 'C:\wamp64\www\moodle\lib\setup.php )	...\config.php:27
4	0.0069	1341600	core\session\manager::start( )	...\setup.php:842
5	0.0070	1343184	core\session\manager::start_session( $requireslock = TRUE )	...\manager.php:139
6	0.0072	1344784	core\session\handler->start( )	...\manager.php:157
7	0.0072	1344784	session_start( )	...\handler.php:45

( ! ) Warning: session_start(): Failed to read session data: files (path: C:\wamp64\moodledata/sessions) in C:\wamp64\www\moodle\lib\classes\session\handler.php on line 45

Call Stack

Time

Memory

Function

Location

0.0002

364064

{main}( )

...\view.php:0

0.0002

364608

require( 'C:\wamp64\www\moodle\config.php )

...\view.php:19

0.0003

379424

require_once( 'C:\wamp64\www\moodle\lib\setup.php )

...\config.php:27

0.0069

1341600

core\session\manager::start( )

...\setup.php:842

0.0070

1343184

core\session\manager::start_session( $requireslock = TRUE )

...\manager.php:139

0.0072

1344784

core\session\handler->start( )

...\manager.php:157

0.0072

1344784

session_start( )

...\handler.php:45

Erreur

error/Une erreur est survenue lors de la communication avec le serveur

Debug info:
Error code: Une erreur est survenue lors de la communication avec le serveur
$a contents:

Stack trace:

line 159 of \lib\classes\session\manager.php: core\session\exception thrown
line 139 of \lib\classes\session\manager.php: call to core\session\manager::start_session()
line 842 of \lib\setup.php: call to core\session\manager::start()
line 27 of \config.php: call to require_once()
line 19 of \mod\chat\view.php: call to require()