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 ('d88f3f808d3ccb7556f7e2ba763071a8', -1, 1571459826, 1571459826, '12cc3028', 4, 0, 0)

Line : 218
File : sessions.php