Fixed #10891

core/src/mindustry/game/Schematics.java

@@ -97,7 +97,7 @@ public class Schematics implements Loadable{
 
         all.sort();
 
-        if(shadowBuffer == null){
+        if(shadowBuffer == null && !headless){
             Core.app.post(() -> shadowBuffer = new FrameBuffer(maxSchematicSize + padding + 8, maxSchematicSize + padding + 8));
         }
     }

core/src/mindustry/ui/dialogs/ModsDialog.java

@@ -365,7 +365,7 @@ public class ModsDialog extends BaseDialog{
 
     private @Nullable String getStateDetails(LoadedMod item){
         if(item.isOutdated()){
-            return Core.bundle.format("mod.outdated.details", item.isJava() ? minJavaModGameVersion : minModGameVersion);
+            return "@mod.incompatiblemod.details";
         }else if(item.isBlacklisted()){
             return "@mod.blacklisted.details";
         }else if(!item.isSupported()){