boot catch

Hello all, I have a 2016 Seat Ibiza 1.0L Sol my current issue is the boot will not open (unless using manual latch in the boot) but on the dash it is saying the boot is open (even though it is not) Background on the issue: it started by the boot not opening so I went Halfords and they sold me...

So a few days ago my boot latch started making some rather funky noises and then suddenly wouldn't lock the boot. The noise sounded exactly like this (not my video) So I ordered a new part from eBay with the part number 1P0827505A9B9 but always best to use the number from your old latch to make...