phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '7cf2b522827c963468a11ab8e6d7f6ef' 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 ('7cf2b522827c963468a11ab8e6d7f6ef', -1, 1769488873, 1769488873, 'd849d83c', 2, 0, 0)

Line : 187
File : sessions.php