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 ('4dd01b2e4c9c79bc6136bb4a5f20dd05', -1, 1728445939, 1728445939, 'ac46af65', 15, 0, 0)

Line : 187
File : sessions.php