phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1114 The table 'phpbb_sessions' is full

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('8d72503219acb1f20f234a5d049cf497', -1, 1566791345, 1566791345, '22ec2692', 37, 0, 0)

Line : 187
File : sessions.php