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 ('8f3965f1f8463b19ae2b3997c93ec18c', -1, 1597478615, 1597478615, '12cf6cbf', 8, 0, 0)

Line : 187
File : sessions.php