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 ('6b0b692f5d6a92bae29ef7f23c01ec8c', -1, 1529597292, 1529597292, '1714ec3d', 8, 0, 0)

Line : 219
File : sessions.php