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 ('68c16239d60ceb0b60488bd2aba7d6b7', -1, 1524344366, 1524344366, '36e06486', -11, 0, 0)

Line : 211
File : sessions.php