title: SQLSTATE[23000]: Integrity constraint violation: 1062 Duplicate entry '3262-1' for key 'UNQ_CATALOGINVENTORY_STOCK_ITEM_PRODUCT_ID_STOCK_ID'
body: <p>SQLSTATE[23000]: Integrity constraint violation: 1062 Duplicate entry '3262-1' for key 'UNQ_CATALOGINVENTORY_STOCK_ITEM_PRODUCT_ID_STOCK_ID'#</p>
  
  <p>This appears when I am trying to add stock to my store, and obviously deletes what I have entered and doesn't let me add anything, help me fix this please, I'm not the most amazing on the computer, so please bare this in mind.</p>
  
  <p>Thanks</p>