Lua 5.2 package is not found.

[aplsms]

hello,

I have a problem installing postfix.

Error Is:

>>> Installing pfSense-pkg-postfix... 
Updating Unofficial repository catalogue...
Fetching meta.conf: . done
pkg-static: https://github.com/marcelloc/Unofficial-pfSense-packages/raw/master/repo/FreeBSD:12:amd64/packagesite.pkg: Not Found
Fetching packagesite.txz: ...... done
Processing entries: .......... done
Unofficial repository update completed. 131 packages processed.
Updating pfSense-core repository catalogue...
pfSense-core repository is up to date.
Updating pfSense repository catalogue...
pfSense repository is up to date.
All repositories are up to date.
pkg-static: opendkim has a missing dependency: lua52
Failed

Please fix.