phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'f9f56c6b92fae00639db667af2cd17c5' 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 ('f9f56c6b92fae00639db667af2cd17c5', -1, 1722039888, 1722039888, '12e366cd', -7, 0, 0)

Line : 187
File : sessions.php