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 ('c7e889b1514af4b78c7538ede1381db2', -1, 1573839739, 1573839739, '64192bbc', 15, 0, 0)

Line : 189
File : sessions.php