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 ('a7cb0172c9d36ba8c763c0a3dc53bf58', -1, 1768025770, 1768025770, 'd849d88a', 4, 0, 0)

Line : 189
File : sessions.php