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 ('2c9ddd2b97efd8ae7320f17ffd2b8c0a', -1, 1714286624, 1714286624, '1276786d', 1524, 0, 0)

Line : 187
File : sessions.php