diff --git a/Step/wwwroot/src/store/production.store.ts b/Step/wwwroot/src/store/production.store.ts
index f5b50584..6af16963 100644
--- a/Step/wwwroot/src/store/production.store.ts
+++ b/Step/wwwroot/src/store/production.store.ts
@@ -26,12 +26,13 @@ export const productionStore =  {
       store.partProgram = []; 
     }, 
     DeletePartProgram(store, model:server.PartProgramModel) {
-      // let idx = store.partProgram.indexOf(model);
-      // if(store.partProgram[idx].id  == model.id){
-      //   store.partProgram.splice(idx,1);
-      // }
-      store._partProgram.delete(model.id); 
-      store.partProgram = Array.from(store._partProgram.values()); 
+      debugger
+      let idx = store.partProgram.indexOf(model);
+      if(store.partProgram[idx] && model && store.partProgram[idx].id  == model.id){
+        store.partProgram.splice(idx,1);
+      }
+      // store._partProgram.delete(model.id); 
+      // store.partProgram = Array.from(store._partProgram.values()); 
     }, 
     MovePartPrograms(store, model:server.PartProgramModel[]) {
         store.partProgram = model;