phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '78808941bfab2195779df804b509a687' 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 ('78808941bfab2195779df804b509a687', -1, 1715280594, 1715280594, '03886140', 19, 0, 0)

Line : 187
File : sessions.php