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 ('26fdc6af0f91c74271e7ff94203689e9', -1, 1532339318, 1532339318, 'ac453eb6', 25, 0, 0)

Line : 187
File : sessions.php