Fix datagen

build.gradle

@@ -45,16 +45,15 @@ loom {
         // also, any names used in your access transformer will need to be
         // in SRG mapped ("func_" / "field_" with MCP class names) to work!
         // (both of these things may be subject to change in the future)
-    }
-}
-
-runs {
-        data {
-            data()
-            programArgs "--all", "--mod", project.mod_id
-            programArgs "--output", generatedResources.absolutePath
+	dataGen{
+            mod(mod_id)
         }
     }
+	runConfigs.named("data").configure {
+        programArg("--existing=" + file("src/main/resources").absolutePath)
+        programArgs("--client", "--server")
+    }
+}
 
 repositories {
     mavenLocal()