phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '972091322902e8a70e7060dd25a474c7' 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 ('972091322902e8a70e7060dd25a474c7', -1, 1770194313, 1770194313, 'd849d89a', 1, 0, 0)

Line : 187
File : sessions.php