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 ('7959f0e7f08db9f61727cad1f7dab10d', -1, 1519296216, 1519296216, '36e23797', -1, 0, 0)

Line : 211
File : sessions.php