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 ('6f7c9de736d6916e2fe51f78736d3b49', -1, 1728835768, 1728835768, 'ac47c2b3', 19, 0, 0)

Line : 187
File : sessions.php