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 ('fc341a0e443027e25a56cabd3ac87e64', -1, 1519567060, 1519567060, '36e2fd22', 25, 0, 0)

Line : 211
File : sessions.php