Repository 4.8.0.redhat-00022 not found

Hello,

When I follow step 1 in the URL below, the repository "4.8.0.redhat-00022"
cannot be found.
https://docs.redhat.com/ja/documentation/red_hat_build_of_apache_camel/4.8/=
html/getting_started_with_red_hat_build_of_apache_camel_for_spring_boot/gen=
erating-a-csb-application-using-maven#generating-a-csb-application-using-ma=
ven

Could anyone please tell me the solution?