phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'a7f0c645994b6b180ead571f88aba0d2' 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 ('a7f0c645994b6b180ead571f88aba0d2', -1, 1741644285, 1741644285, '039155a4', 1, 0, 0)

Line : 187
File : sessions.php