phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '15efa4d71b7623865377f5917b7a5b64' 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 ('15efa4d71b7623865377f5917b7a5b64', -1, 1714898789, 1714898789, '030e8e73', -4, 0, 0)

Line : 187
File : sessions.php