phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '25457647be10d2f763cdda97bf0ce1da' 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 ('25457647be10d2f763cdda97bf0ce1da', -1, 1771165854, 1771165854, 'd849d800', 10, 0, 0)

Line : 187
File : sessions.php