I added conditional logic to test if the given variable is null, if null we will return and avoid execution of the code that could through a NPE. If the code is fine then it will continue as normal.

Author: Mgonzalez-droid

src/com/magento/idea/magento2plugin/actions/generation/dialog/InjectAViewModelDialog.java

@@ -141,10 +141,15 @@ protected void onOK() {
             exit();
             return;
         }
-        final String moduleName = GetModuleNameByDirectoryUtil.execute(
-                targetBlockTag.getContainingFile().getParent(),
-                project
-        );
+        if(targetBlockTag.getContainingFile() != null &&
+                targetBlockTag.getContainingFile().getParent() != null) {
+            final String moduleName = GetModuleNameByDirectoryUtil.execute(
+                    targetBlockTag.getContainingFile().getParent(),
+                    project
+            );
+        } else {
+            return;
+        }
         final NamespaceBuilder namespaceBuilder = new NamespaceBuilder(
                 moduleName,
                 getViewModelClassName(),