Trying to get property 'post_name' of non-object

- Trying to get property 'post_type' of non-object
- Trying to get property 'post_content' of non-object
- Notice trying to get property 'post_type' of non-object in
- Trying to get property 'post_status' of non-object in
- Trying to get property 'post_parent' of non-object
- Trying to get property 'name' of non-object