Silhouette REST Seed - It does not work


Hello when I do “sbt run”: Regarding the Silhouette REST Seed example, I get the following error:

[info] Resolving org.sonatype.oss#oss-parent;7 …
[warn] ::::::::::::::::::::::::::::::::::::::::::::::
[warn] ::::::::::::::::::::::::::::::::::::::::::::::
[warn] :: com.atlassian.jwt#jwt-core;1.2.3: not found
[warn] :: com.atlassian.jwt#jwt-api;1.2.3: not found
[warn] ::::::::::::::::::::::::::::::::::::::::::::::
[trace] Stack trace suppressed: run last :update for the full output.
[error] (
:update) sbt.ResolveException: unresolved dependency: com.atlassian.jwt#jwt-core;1.2.3: not found
[error] unresolved dependency: com.atlassian.jwt#jwt-api;1.2.3: not found
[error] Total time: 24 s, completed 14/07/2017 02:00:33 PM

What should I do? Help me please, thank you.