Undefined index notice

[Shardj]

2019-01-23T08:25:03+00:00 NOTICE (5): Undefined index: in /var/www/html/vendor/true/punycode/src/Punycode.php on line 228

I get a few thousand of these a day, no idea what the input is that causes it though unfortunately since it's only a notice not a throwable so I can't catch it and log the input $url with the message.

[Shardj]

Another

2019-01-31T16:36:28+00:00 NOTICE (5): Uninitialized string offset: 20 in
/var/www/html/vendor/true/punycode/src/Punycode.php on line 228

[Shardj]

@ceeram is this project unsupported?