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 ('86f511b2101c59d39c4e80a4e6c60300', -1, 1714286719, 1714286719, '12dec1cf', 1639, 0, 0)

Line : 187
File : sessions.php