phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '29d8cf485122c3c693dbcc41a4948817' for key 'PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('29d8cf485122c3c693dbcc41a4948817', -1, 1777579862, 1777579862, '00000000', 11, 0, 0)

Line : 187
File : sessions.php