Hello,
my server complains:

[11:04:38] [Server thread/ERROR] [snad/snad]: The mod snad is expecting signature @fingerprint@ for source Snad-1.10.2-1.6.09.20a.jar, however there is no signature matching that description

[11:04:38] [Server thread/ERROR] [Snad/snad]: No fingerprint found!

Regards,
Karsten

I got this error too,Is this would be a big mistake?

This issues seems to be still relevant on 1.12.1

[10:42:46] [Server thread/ERROR] [snad]: The mod snad is expecting signature @FINGERPRINT@ for source Snad-1.12.1-1.7.09.16a.jar, however there is no signature matching that description
[10:42:46] [Server thread/ERROR] [Snad]: No fingerprint found!

Snad: 1.7.09.16a
Forge: 14.22.0.2475

I dont believe this is a breaking error as Snad still works on the server just fine, but it is still occurring.