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 ('6c2c0d55f2333c0ef25ea604c7e448cf', -1, 1571219964, 1571219964, '12d21684', 5, 0, 0)

Line : 187
File : sessions.php