I was so careless that I forgot to fill in a country (Singapore) that I had visited during the past ten years in the UK Tier 4 Visa application. However, I've already paid and submitted the application. Is there anyway to amend the form? If not, will my mistake make a substantial impact to my application?

closed as off-topic by Ali Awan, Jim MacKenzie, Giorgio, Greg Hewgill, George Y. Jun 28 '18 at 20:52

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