phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '4f67a3e6f609f9aa18c6e376cdaee545' 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 ('4f67a3e6f609f9aa18c6e376cdaee545', -1, 1768680069, 1768680069, '00000000', 1, 0, 0)

Line : 187
File : sessions.php