Requested changes

Author: sovdeeth

src/main/java/ch/njol/skript/expressions/LitEternity.java

@@ -3,14 +3,14 @@
 import ch.njol.skript.Skript;
 import ch.njol.skript.doc.Description;
 import ch.njol.skript.doc.Example;
+import ch.njol.skript.doc.Name;
 import ch.njol.skript.doc.Since;
 import ch.njol.skript.lang.Expression;
 import ch.njol.skript.lang.ExpressionType;
 import ch.njol.skript.lang.SkriptParser;
 import ch.njol.skript.lang.util.SimpleLiteral;
 import ch.njol.skript.util.Timespan;
 import ch.njol.util.Kleenean;
-import jdk.jfr.Name;
 import org.bukkit.event.Event;
 import org.jetbrains.annotations.Nullable;
 

src/main/java/ch/njol/skript/util/Timespan.java

@@ -321,7 +321,7 @@ public Timespan multiply(double scalar) {
 	 */
 	@Contract(value = "_ -> new", pure = true)
 	public Timespan divide(double scalar) {
-		Preconditions.checkArgument(scalar >= 0);
+		Preconditions.checkArgument(scalar >= 0, "Cannot divide a timespan by non-positive value");
 		if (this.isInfinite())
 			return Timespan.infinite();
 		double value = this.getAs(TimePeriod.MILLISECOND) / scalar;