Modifying EthNFTOwners Table

Hey guys, is there any way i can modify EthNFTOwners table? i need to add some more columns for our project, but im always getting “Error: Permission denied for action update on class EthNFTOwners.” error. I’m using the masterkey, but no luck. This is what im trying from the JS Console on Dashboard:

 const query = new Parse.Query('EthNFTOwners');
  const results = await query.first();

     results.set("Title", "prueba2");

You shouldn’t change it it’s a “systems” table and is read only

If you want to add more data - create another Table and put info there and reference it to the owner