You should reset your playerheadsmenu folder to generate it with updated files.
[
Fixed] Rewards will be given only once now
[
Fixed] Now you can leave already started game without throwing errors infinitely in console
[
Fixed] Fixed some strings and heads lores in heads menu
[
Fixed] Fixed wrong displayed winners in the summary of the game
[
Fixed] Now message "You've been xth" is send only for 4th winners and lower
[
Fixed] Voting for player's plot title is displaying longer now
[
Fixed] Added missing plugin prefix to voting messages
[
Fixed] Now voting immediately after the timer count to 0 to prevent bugs with manipulating vote items