phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '13068e6fdc472ce86b0ef65adf8ea88e' 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 ('13068e6fdc472ce86b0ef65adf8ea88e', -1, 1768045948, 1768045948, 'd849d8a2', -4, 0, 0)

Line : 187
File : sessions.php