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 ('c72bdc7e5e2cd1433ab7b7994d94c0cd', -1, 1754000767, 1754000767, 'd849d8bb', 2, 0, 0)

Line : 187
File : sessions.php