phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'c8fcab1c648b966317b614fd2737fbe1' 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 ('c8fcab1c648b966317b614fd2737fbe1', -1, 1715719215, 1715719215, '03857e27', 39, 0, 0)

Line : 187
File : sessions.php