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 ('dde61b3c0dff4e6d6c821c92f6a8d0db', -1, 1768075995, 1768075995, 'd849d88a', 25, 0, 0)

Line : 189
File : sessions.php