phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a15b81643cf44e8d75d2887aae0caa3a' 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 ('a15b81643cf44e8d75d2887aae0caa3a', -1, 1714405865, 1714405865, 'c0a80201', 31, 0, 0)

Line : 187
File : sessions.php