Upload failed Description:Network send Failure

Hi there, ive had the ender 3 V3 KE printer for a few days and have been super excited to use it but have hardly been able to. Im currently trying to use the creality print slicer but the ‘send g-code’ button and ‘one-click print’ button wont work. when i click either of these the green bar quickly fills to a low number like 24, stays there for a minute, and then disappears. When i go to the device on the slicer it shows the error message:

Upload Failed
Description:Network send failure

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the LAN printing functionality has only worked once or twice over a week or two of trying to print every few days so it has worked previously but this is really starting to annoy me. i can confirm that both my pc and the printer are connected to the network, however my pc is connected via ethernet. thats the only thing i can think of, does anyone have any suggestions on how to fix this issue

DHCP server giving a new address every time? Mine does and I have to manually change it in Creality Print bit of a pain and I can’t figure out how to give a static IP address on my DHCP server, I’ve tried the usual tricks but it still changes. All on WiFi here.

nope its always the same IP, it auto connects everytime and i can see it on my pc with no hassle