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 ('e7221487f2db788540a3c66c26a20bdc', -1, 1571220782, 1571220782, '12d21684', 10, 0, 0)

Line : 187
File : sessions.php