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 ('5ad5186d5bf0c64ce592fb77251f95e1', -1, 1529617160, 1529617160, '36e0ebb7', 9, 0, 0)

Line : 219
File : sessions.php