phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'cac71b737014fdf78e93d63a3e5c4690' for key 'PRIMARY'

INSERT INTO phpbb1_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('cac71b737014fdf78e93d63a3e5c4690', -1, 1714237286, 1714237286, '0389dc78', -4, 0, 0)

Line : 187
File : sessions.php