The post-delete admin-log block referenced variables that were never defined
($admid/$adminID/$medalid/$uid), so on PHP 8.1+ (mysqli throws on error) the
malformed INSERT raised an uncaught mysqli_sql_exception → HTTP 500 after the
medal was already deleted. Use the correct ids ($admid from session, $uid from
POST), look up the target player's username (escaped), and redirect to the
sanitized $uid.
Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>
Ferywir
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