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 ('5e6b07b003e5a28d35faf8d86a4fa746', -1, 1550539792, 1550539792, '36c518ce', 0, 0, 0)

Line : 189
File : sessions.php