antlr-2.7.7_3.darwin_21.arm64.tbz2 missing

[hyodae-seo (Hyodae Seo)]

unable to install antlr (which is required by nco) on new Mac

MacBook-Air: sudo port install antlr ---> Fetching archive for antlr ---> Attempting to fetch antlr-2.7.7_3.darwin_21.arm64.tbz2 from ​https://packages.macports.org/antlr ---> Attempting to fetch antlr-2.7.7_3.darwin_21.arm64.tbz2 from ​https://ywg.ca.packages.macports.org/mirror/macports/packages/antlr ---> Attempting to fetch antlr-2.7.7_3.darwin_21.arm64.tbz2 from ​https://mse.uk.packages.macports.org/antlr ---> Building antlr Error: Failed to build antlr: command execution failed Error: See /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_lang_antlr/antlr/main.log for details. Error: Follow ​https://guide.macports.org/#project.tickets if you believe there is a bug. Error: Processing of port antlr failed

In /opt/local/var/macports/logs/_opt_local_var_macports_sources_rsync.macports.org_macports_release_tarballs_ports_lang_antlr/antlr/main.log

:info:archivefetch ---> antlr-2.7.7_3.darwin_21.arm64.tbz2 doesn't seem to exist in /opt/local/var/macports/incoming/verified :msg:archivefetch ---> Attempting to fetch antlr-2.7.7_3.darwin_21.arm64.tbz2 from ​https://packages.macports.org/antlr :debug:archivefetch Fetching archive failed: The requested URL returned error: 404 :msg:archivefetch ---> Attempting to fetch antlr-2.7.7_3.darwin_21.arm64.tbz2 from ​https://ywg.ca.packages.macports.org/mirror/macports/packages/antlr :debug:archivefetch Fetching archive failed: The requested URL returned error: 404 :msg:archivefetch ---> Attempting to fetch antlr-2.7.7_3.darwin_21.arm64.tbz2 from ​https://mse.uk.packages.macports.org/antlr :debug:archivefetch Fetching archive failed: The requested URL returned error: 404

So there is no antlr-2.7.7_3.darwin_21.arm64.tbz2 in ​https://ywg.ca.packages.macports.org/mirror/macports/packages/antlr (there is antlr-2.7.7_3.darwin_20.arm64.tbz2)