Skript deffo needs update most things don't work i suggest using latest release of: https://github.com/SkriptLang/Skript/releases its works for 1.15 and its pretty stable as far as i know and also it isn't filled with so many bugs, glitches and stuff that just doesn't work otherwise keep working on the custom skript your making and make it better or use https://github.com/SkriptLang/Skript/releases latest release