phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '6a7d9fc1377fec8b9b7d7bc78c8a5b2b' 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 ('6a7d9fc1377fec8b9b7d7bc78c8a5b2b', -1, 1715052782, 1715052782, 'c0a80201', -4, 0, 0)

Line : 187
File : sessions.php