Duration.between(LocalDate, LocalDate) was replaced by Duration.between(LocalDateTime, LocalDateTime) in tickFromFormattedDate(String date) method to avoid an exception related to java.time.temporal.UnsupportedTemporalTypeException: Unsupported unit: Seconds (as described in issue #37).
When calculating the number of the day in the week, UTC format was not properly recognized and the Minecraft world name was searched for instead of an actual date.
The weekday number was miscalculated for UTC time.
Improved cmds scheduler time detection.
PLAYERS_SLEEPING_PERCENTAGE only exists since MC 1.17. (issue #38).
In the lang.yml file, if the plugin version was null, it caused an error. (issue #38).