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 ('723c2d1a80374158be1d05b063f6e4d3', -1, 1531944304, 1531944304, '36a12829', -4, 0, 0)

Line : 189
File : sessions.php