phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '05c19f80a1b82c638dea8ed937f82fb0' 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 ('05c19f80a1b82c638dea8ed937f82fb0', -1, 1772106698, 1772106698, 'd849d896', 2, 0, 0)

Line : 187
File : sessions.php