phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry 'f39658d5e718e6cf794da4edc1145aa3' for key 'phpbb_sessions.PRIMARY'

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('f39658d5e718e6cf794da4edc1145aa3', -1, 1771182439, 1771182439, 'd849d800', -4, 0, 0)

Line : 187
File : sessions.php