phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '81c15ab18ec9cba0348db11fba6574d2' 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 ('81c15ab18ec9cba0348db11fba6574d2', -1, 1714288898, 1714288898, '12dab8d6', 39, 0, 0)

Line : 187
File : sessions.php