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 ('cb63001bb2b0e777b72ce327ba843b2d', -1, 1542753857, 1542753857, '365207e7', 12, 0, 0)

Line : 189
File : sessions.php