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 ('a96e3d4dd7ea4b4d03bc54b64f7ac324', -1, 1571514015, 1571514015, '64187ae4', 23, 0, 0)

Line : 218
File : sessions.php