phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a847a4c7c3965614e3ad425959ed0a0d' 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 ('a847a4c7c3965614e3ad425959ed0a0d', -1, 1715364523, 1715364523, 'c0a80201', 2, 0, 0)

Line : 187
File : sessions.php