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 ('5e7837f7bbaf45d60e781dc11b0f5f85', -1, 1756672766, 1756672766, 'd849d8af', 20, 0, 0)

Line : 237
File : sessions.php