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 ('ff1bc107c5fdb4e9d837750e8bcd51a8', -1, 1566524511, 1566524511, '22cca94c', 12, 0, 0)

Line : 189
File : sessions.php