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 ('e1c3207d7e5025d8c5a70a5ab9df0aaa', -1, 1758061176, 1758061176, 'd849d802', 4, 0, 0)

Line : 189
File : sessions.php