Relation placeholder `<relation>` error

[tanto-mc]

Debug info

Run /f ticketinfo and paste the URL here.
https://ticket.factions.support/kLGTSmTj0meelCJqM002YQvTkgkEhl1O

Logs

Give use your logs by going to logs/latest.log.

Details

Please explain the problem.
/f Setrelationwishtoanotherfaction Bestleas123 ally / truce

However, everything works fine with Enemy and neutral

[tanto-mc]

btw, is it possible to change this message? I couldn't find