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 ('4ecf9f79b6fee9006d7e5b42beb4a0ff', -1, 1756672763, 1756672763, 'd849d8af', 18, 0, 0)

Line : 237
File : sessions.php