Error when plugin is active

@subratamal , I couldn’t handle this problem alone. I need your help, please.

Dear developers,
To resolve this error, simply add an additional check for the existence of the “$post_name” property within the “$item” object. The correct line with this additional check is shown below:
if (
is_object( $item )
&& isset( $item->post_name ) // Add the property existence check here
&& ‘my-wallet’ === $item->post_name
&& get_post_meta( $item->ID, ‘_show_wallet_icon_amount’, true )
)
This will prevent the error that occurs due to accessing a non-existent object property.
I’ve fixed this in my content, but I’m sure that after any update, the source code will revert to its previous state, and line 127 will need to be changed again.
If possible, please check and implement it at your level.
Thank you.