You've mixed Polish and English throughout, copied and pasted the same conditions multiple times instead of organizing them properly, and hard-coded all values, making them difficult to modify later. Add some structure, choose one language, and use comments to explain what you're doing.

Very good addon for Grim AC anti-cheat but sometimes there are small false alerts but the anti-cheat itself is good

7 errors when loading, because it does not mention that it requires the skript-gui plugin.