=> Bootstrap dependency digest>=20211023: found digest-20220214
=> Checksum BLAKE2s OK for mp3gain-1_6_2-src.zip
=> Checksum SHA512 OK for mp3gain-1_6_2-src.zip
===> Installing dependencies for mp3gain-1.6.2
pkg_info: can't find package `mktools-20220614'
*** Error code 1

Stop.
make: stopped in /usr/pkgsrc/audio/mp3gain