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 ('dc3bfd25edecb3d4e3faa41a4f1ab59c', -1, 1529597533, 1529597533, '1714ec3d', 3, 0, 0)

Line : 219
File : sessions.php