plop takes now correct number of arguments.

gradle.properties

@@ -5,7 +5,7 @@ org.gradle.jvmargs=-Xmx1G
 	# check these on https://fabricmc.net/use
     # or better: https://modmuss50.me/fabric.html
 	minecraft_version=1.16.4
-	yarn_mappings=1.16.4+build.1
+	yarn_mappings=1.16.4+build.6
 	loader_version=0.10.6+build.214
 
 # Mod Properties