phpBB : Erro Crítico

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 ('a2c5f24d89ab9584ff0b6be089c96374', -1, 1532333349, 1532333349, 'ac444182', 25, 0, 0)

Line : 187
File : sessions.php