I'm currently running a staging copy of a live Magento 1.9 site. On this staging site I have noticed that if I attempt to add a new product with an SKU that begins with a letter (character between A-Z) (e.g. HOS2019), I get an error of
Please enter a valid number in this field.
If I begin the
SKU with a number, the product is accepted and saved with no issue.
The live copy of this site accepts a product a letter at the beginning of the
SKU with no issue, so I know something is not quite right with this staging copy of the site.
I was just wondering if anyone had ever come across a problem such as this, and what code I could possibly look at to try and resolve this - or indeed what code I could compare with the live version of this site to try and find the fault.
Many thanks for any light anyone can shed on this.