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 ('8e20bd3cb13f6db5f29ad8f30c2c3f7c', -1, 1768025065, 1768025065, 'd849d88a', -2, 0, 0)

Line : 189
File : sessions.php