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 ('1d2a100dffddb54f21be9b512ff249be', -1, 1532339297, 1532339297, 'a29e4f57', 25, 0, 0)

Line : 187
File : sessions.php